grub: enable open firmware platform for all ppc targets

[ci skip]

srcpkgs/grub-powerpc-ieee1275

@@ -0,0 +1 @@
+grub

srcpkgs/grub/template

@@ -36,13 +36,9 @@ case "$XBPS_TARGET_MACHINE" in
 		_NATIVE_PLATFORM=efi
 		subpackages+=" grub-arm64-efi"
 		;;
-	ppc64*)
-		# don't have a native platform for now, ieee1275 needs a compiler
-		# capable of generating big-endian 32-bit binaries; only build utils
-		# for now, so we can generate config files to be used by petitboot etc.
-		# TODO: look into building with the below later
-		#_NATIVE_PLATFORM=ieee1275
-		configure_args+=" --with-platform=none"
+	ppc*)
+		_NATIVE_PLATFORM=ieee1275
+		subpackages+=" grub-powerpc-ieee1275"
 		;;
 esac
 
@@ -184,3 +180,11 @@ grub-arm64-efi_package() {
 		vmove usr/lib/grub/arm64-efi
 	}
 }
+grub-powerpc-ieee1275_package() {
+	noarch=yes
+	depends="grub>=$version powerpc-utils"
+	short_desc+=" - powerpc Open Firmware support"
+	pkg_install() {
+		vmove usr/lib/grub/powerpc-ieee1275
+	}
+}