crypto: omap-aes - Kconfig: Add build support for AM437x

For AM437x SoC, ARCH_OMAP2 and ARCH_OMAP3 is not enabled in the defconfig. We
follow same thing as SHA driver, and add depends on ARCH_OMAP2PLUS so that the
config is selectable for AES driver on AM437x SoC builds.
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -255,7 +255,7 @@ config CRYPTO_DEV_OMAP_SHAM
 
 config CRYPTO_DEV_OMAP_AES
 	tristate "Support for OMAP AES hw engine"
-	depends on ARCH_OMAP2 || ARCH_OMAP3
+	depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP2PLUS
 	select CRYPTO_AES
 	select CRYPTO_BLKCIPHER2
 	help