busybox: Pass HOST_CC_ARCH through CONFIG_EXTRA_CFLAGS

The -mabi option is part of HOST_CC_ARCH which does not
appear in CFLAGS. This is for completeness since compiler
already defaults to n64 it wont matter that much

(From OE-Core rev: 2aa0540515efc15957101e24224b425ee00446d9)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/busybox/busybox.inc

@@ -86,7 +86,7 @@ python () {
   d.setVar('configmangle_append',
                  "/^### CROSS$/a\\\n%s\n" %
                   ("\\n".join(["CONFIG_CROSS_COMPILER_PREFIX=\"${TARGET_PREFIX}\"",
-			       "CONFIG_EXTRA_CFLAGS=\"${CFLAGS}\""
+			       "CONFIG_EXTRA_CFLAGS=\"${CFLAGS}\" \"${HOST_CC_ARCH}\""
                         ])
                   ))
 }

meta/recipes-core/busybox/busybox_1.19.4.bb

@@ -1,5 +1,5 @@
 require busybox.inc
-PR = "r2"
+PR = "r3"
 
 SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://udhcpscript.patch \