Fix bug 95280 in genkernel. ARCH_OVERRIDE in /etc/genkernel.conf should work now

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@247 67a159dc-881f-0410-a524-ba9dfbe2cb84

gen_arch.sh

@@ -4,6 +4,10 @@ get_official_arch() {
 	if [ "${CMD_ARCHOVERRIDE}" != '' ]
 	then
 		ARCH=${CMD_ARCHOVERRIDE}
+	else
+		if [ "${ARCH_OVERRIDE}" != '' ]
+		then
+			ARCH=${ARCH_OVERRIDE}
 		else
 			ARCH=`uname -m`
 			case "${ARCH}" in
@@ -14,6 +18,7 @@ get_official_arch() {
 				;;
 			esac
 		fi
+	fi
 
 	ARCH_CONFIG="${GK_SHARE}/${ARCH}/config.sh"
 	[ -f "${ARCH_CONFIG}" ] || gen_die "${ARCH} not yet supported by genkernel. Please add the arch-specific config file, ${ARCH_CONFIG}"