BaseTools: Add DTCPP_FLAGS for GCC5 RISCV64 toolchain

Some/all platforms are going to require EDK2 to build a device tree and
use it in the early stages of boot.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Abner Chang <abner.chang@hpe.com>
Signed-off-by: Daniel Schaefer <daniel.schaefer@hpe.com>
Reviewed-by: Abner Chang <abner.chang@hpe.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 5db3f61191886867e7411fafe54fbb8ede25e5d7..498696e583fceddd7e105b5c35c0f31182120a78 100755 (executable)
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -2458,6 +2458,7 @@ RELEASE_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
 *_GCC5_RISCV64_DLINK2_FLAGS         = DEF(GCC5_RISCV64_DLINK2_FLAGS)\r
 *_GCC5_RISCV64_RC_FLAGS             = DEF(GCC_RISCV64_RC_FLAGS)\r
 *_GCC5_RISCV64_OBJCOPY_FLAGS        =\r
+*_GCC5_RISCV64_DTCPP_FLAGS          = DEF(GCC_DTCPP_FLAGS)\r
 \r
 ####################################################################################\r
 #\r