asn1_decoder: add build options for ASN1 decoder
When building with MbedTLS, we are using MbedTLS to decode ASN1 data
for x509, pkcs7 and mscode.
Introduce _LEGACY and _MBEDTLS kconfigs for ASN1 decoder legacy and
MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/lib/mbedtls/Makefile b/lib/mbedtls/Makefile
index 04d450a..83cb3c2 100644
--- a/lib/mbedtls/Makefile
+++ b/lib/mbedtls/Makefile
@@ -36,7 +36,7 @@
# MbedTLS X509 library
obj-$(CONFIG_MBEDTLS_LIB_X509) += mbedtls_lib_x509.o
mbedtls_lib_x509-y := $(MBEDTLS_LIB_DIR)/x509.o
-mbedtls_lib_x509-$(CONFIG_$(SPL_)ASN1_DECODER) += \
+mbedtls_lib_x509-$(CONFIG_$(SPL_)ASN1_DECODER_MBEDTLS) += \
$(MBEDTLS_LIB_DIR)/asn1parse.o \
$(MBEDTLS_LIB_DIR)/asn1write.o \
$(MBEDTLS_LIB_DIR)/oid.o