kms on powerpc64

[Roosevelt Littleton]

So, in the Makefile powerpc64 is a supported arch. Will that mean the
PCIe x1900 for the Powermac 11,2 is supported using KMS?


sys/modules/drm2/radeonkms/Makefile
.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
radeon_acpi=		radeon_acpi.c
#radeon_atpx_handler=	radeon_atpx_handler.c
.endif

.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_ARCH} == "powerpc64"
radeon_ioc32=		radeon_ioc32.c
.endif