libflash: skiboot v6.3 (no change from rc3)

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/openpower/package/libflash/libflash.mk b/openpower/package/libflash/libflash.mk
index c1a5ce0..bb86513 100644
--- a/openpower/package/libflash/libflash.mk
+++ b/openpower/package/libflash/libflash.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBFLASH_VERSION = v6.3-rc3
+LIBFLASH_VERSION = v6.3
 LIBFLASH_SITE = $(call github,open-power,skiboot,$(LIBFLASH_VERSION))
 
 LIBFLASH_INSTALL_STAGING = YES