uboot-at91: fix -Wformat-security

add patch to fix -Wformat-security warnings.

Signed-off-by: Sandeep Sheriker M <sandeep.sheriker@microchip.com>

package/boot/uboot-at91/Makefile

@@ -131,7 +131,7 @@ UBOOT_TARGETS := \
 define Build/Compile
   +$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
      CROSS_COMPILE=$(TARGET_CROSS) \
-	 DTC=$(LINUX_DIR)/scripts/dtc/dtc \
+	 DTC=$(PKG_BUILD_DIR)/scripts/dtc/dtc \
      KCFLAGS="$(filter-out -fstack-protector \
       -mfloat-abi=hard, $(TARGET_CFLAGS)) -mfloat-abi=soft"
 endef

package/boot/uboot-at91/patches/001-fix-Wformat-security.patch

@@ -0,0 +1,13 @@
+diff --git a/cmd/version.c b/cmd/version.c
+index b2fffe9..bcbbeb1 100644
+--- a/cmd/version.c
++++ b/cmd/version.c
+@@ -18,7 +18,7 @@ static int do_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+ {
+	char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
+
+-	printf(display_options_get_banner(false, buf, sizeof(buf)));
++	printf("%s",display_options_get_banner(false, buf, sizeof(buf)));
+ #ifdef CC_VERSION_STRING
+	puts(CC_VERSION_STRING "\n");
+ #endif