package/gcc: rename the conditional patch according to the new policy

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gcc/gcc.mk

@@ -37,7 +37,7 @@ endef
 ifeq ($(ARCH),powerpc)
 ifneq ($(BR2_SOFT_FLOAT),)
 define HOST_GCC_APPLY_POWERPC_PATCH
-	$(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) powerpc-link-with-math-lib.patch.conditional
+	$(APPLY_PATCHES) $(@D) package/gcc/$(GCC_VERSION) 1000-powerpc-link-with-math-lib.patch.conditional
 endef
 endif
 endif