Add initial support for ARMv8 (AARCH64) (by nisimura@ and ryo@)

- sys/arch/evbarm64 is gone and integrated into sys/arch/evbarm. (by skrll@)
- add support fdt. evbarm/conf/GENERIC64 fdt (bcm2837,sunxi,tegra) based generic 64bit kernel config. (by skrll@, jmcneill@)

branches: 1.5.26;
This change arm, armeb, earm, earmeb, earmhf, earmhfeb so all builds that
share a MACHINE_ARCH for userland so that except for etc, will produce
identical sets.

usr/include/machine now points to usr/include/arm

branches: 1.4.16; 1.4.34; 1.4.40;
Added zaurus.

Use proper cast instead of gagging gcc4 with -Wno-pointer-sign.

apply -Wno-pointer-sign to tp.c.

Added touch panel calibration utility.

Fix WARNS=4 issues.

branches: 1.5.6;
Backout previous: the license sweep touched these files in error, so
restore the old license.

branches: 1.4.2;
Convert to new 2 clause license

Add initialization of a local variable to appease -Wuninitialized.
Marked with XXXGCC for hpcarm (found while compiling for it).
It appears that the reason is that gcc for this target is not able
to determine unchanging complementary conditionals and sort out the
corresponding assignment / use.

Saved screen size (minX, maxX, minY, maxY) as well as calibration samples.
This change breaks parameter file format compatibility.

Added touch panel calibration utility.

Try to use standard wsdisplay ioctls when HPCFBIO_GCONF is not available.

Backout previous: the license sweep touched these files in error, so
restore the old license.

branches: 1.3.2;
Convert to new 2 clause license

#include <string.h> for memset and memcpy.
Caught by gcc 3.3.

Added touch panel calibration utility.

s/calibrarion/calibration/ in debug message and comments.

branches: 1.7.12;
cast through intptr_t

branches: 1.6.24; 1.6.26;
Mark usage as dead.

branches: 1.5.6; 1.5.12;
Fix WARNS=4 issues.

branches: 1.4.6;
Backout previous: the license sweep touched these files in error, so
restore the old license.

branches: 1.3.2;
Convert to new 2 clause license

Fix some typos.

Added touch panel calibration utility.

Fix WARNS=4 issues.

do WSMOUSEIO_SETVERSION when WSMOUSEIO_SETVERSION is defined.

branches: 1.7.6;
Backout previous: the license sweep touched these files in error, so
restore the old license.

branches: 1.6.2;
Convert to new 2 clause license

That cast doesn't need to add const.

Use proper cast instead of gagging gcc4 with -Wno-pointer-sign.

Replaced strncpy with strlcpy. Thanks to Peter Postma who
pointed them our in PR #25762. Approved by christos@NetBSD.org.

Used ioctl command WSMOUSEIO_GETID to identify touch panel device.

Added touch panel calibration utility.

Remove unnecessary Bk/Ek pairs from SYNOPSIS.
No effective change except where I used the opportunity to sort options
and/or option descriptions.

branches: 1.4.4;
Convert TNF licenses to new 2 clause variant

branches: 1.3.30;
.Nm does not need a dummy argument ("") before punctuation or
for correct formatting of the SYNOPSIS any longer.

Some grammar and mdoc improvements.

Added touch panel calibration utility.

Fix WARNS=4 issues.

branches: 1.5.6;
Backout previous: the license sweep touched these files in error, so
restore the old license.

branches: 1.4.2;
Convert to new 2 clause license

"extra tokens at end of #endif directive".
Caught by gcc 3.3.

Used ioctl command WSMOUSEIO_GETID to identify touch panel device.

Added touch panel calibration utility.