Do not specify a CROSS_COMPILE default when executing size

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/MAKEALL b/MAKEALL
index d66a5fa..2aff4da 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -721,7 +721,7 @@
 	${MAKE} ${JOBS} all 2>&1 >${LOG_DIR}/$target.MAKELOG \
 				| tee ${LOG_DIR}/$target.ERR
 
-	${CROSS_COMPILE:-ppc_8xx-}size ${BUILD_DIR}/u-boot \
+	${CROSS_COMPILE}size ${BUILD_DIR}/u-boot \
 				| tee -a ${LOG_DIR}/$target.MAKELOG
 }