Apply patch (requested by mrg in ticket 1208):
Pass -Wno-error to work around a build failure on vax with gcc 4.1
Pull up following revision(s) (requested by nat in ticket #1214):
	sys/arch/arm/broadcom/bcm2835_tmr.c: revision 1.4
Clear status of BCM2835_STIMER_M3 only as timer comparison reg 0 and 2
are used by the VideoCore on Raspberry Pi.  This fixes audio playback.
Addresses PR 48805.
This commit was approved by skrll@
Ticket 1214.