crypto: qce - Build Qualcomm crypto driver

Modify crypto Kconfig and Makefile in order to build the qce
driver and adds qce Makefile as well.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index f996ed7..3924f93 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -24,3 +24,4 @@
 obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o
 obj-$(CONFIG_CRYPTO_DEV_UX500) += ux500/
 obj-$(CONFIG_CRYPTO_DEV_QAT) += qat/
+obj-$(CONFIG_CRYPTO_DEV_QCE) += qce/