uboot-at91: harmonize indent in Makefile

The indent in Makefile is mixed, harmonize it where reasonable.

Signed-off-by: Adrian Schmutzler <[email protected]>

package/boot/uboot-at91/Makefile

@@ -129,11 +129,11 @@ UBOOT_TARGETS := \
 	sama5d2_ptc_ek_mmc
 
 define Build/Compile
-  +$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
-     CROSS_COMPILE=$(TARGET_CROSS) \
-	 DTC=$(PKG_BUILD_DIR)/scripts/dtc/dtc \
-     KCFLAGS="$(filter-out -fstack-protector \
-      -mfloat-abi=hard, $(TARGET_CFLAGS)) -mfloat-abi=soft"
+	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
+		CROSS_COMPILE=$(TARGET_CROSS) \
+		DTC=$(PKG_BUILD_DIR)/scripts/dtc/dtc \
+		KCFLAGS="$(filter-out -fstack-protector \
+		-mfloat-abi=hard, $(TARGET_CFLAGS)) -mfloat-abi=soft"
 endef
 
 $(eval $(call BuildPackage/U-Boot))