crypto: ux500 - use ccflags-y instead of CFLAGS_<basename>.o

Instead of adding CFLAGS_<basename>.o to every file, let's use
ccflags-y, which is effective for all C files in the directory.

No behavior change.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/ux500/cryp/Makefile

@@ -3,11 +3,7 @@
 # * Author: shujuan.chen@stericsson.com for ST-Ericsson.
 # * License terms: GNU General Public License (GPL) version 2  */
 
-ifdef CONFIG_CRYPTO_DEV_UX500_DEBUG
-CFLAGS_cryp_core.o := -DDEBUG
-CFLAGS_cryp.o := -DDEBUG
-CFLAGS_cryp_irq.o := -DDEBUG
-endif
+ccflags-$(CONFIG_CRYPTO_DEV_UX500_DEBUG) += -DDEBUG
 
 obj-$(CONFIG_CRYPTO_DEV_UX500_CRYP) += ux500_cryp.o
 ux500_cryp-objs :=  cryp.o cryp_irq.o cryp_core.o