payloads/ext/tianocore/Makefile: Enable quiet mode

The build process of this payload is unnecessarily prolix. Therefore,
make use of the `-q` flag to abridge the output.

TEST=When building for X64, UEFIPAYLOAD.fd does not differ.

Change-Id: I6eba069ff5be2813d180dae40ab10155f0542f33
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39123
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Benjamin Doron <benjamin.doron00@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/payloads/external/tianocore/Makefile b/payloads/external/tianocore/Makefile
index 7adb700..af06464 100644
--- a/payloads/external/tianocore/Makefile
+++ b/payloads/external/tianocore/Makefile
@@ -49,9 +49,9 @@
 endif
 
 ifeq ($(CONFIG_TIANOCORE_TARGET_IA32), y)
-	BUILD_STR=-a IA32 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32.dsc -b $(BUILD_TYPE) $(TIMER) $(build_flavor)
+	BUILD_STR=-q -a IA32 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32.dsc -b $(BUILD_TYPE) $(TIMER) $(build_flavor)
 else
-	BUILD_STR=-a IA32 -a X64 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32X64.dsc -b $(BUILD_TYPE) $(TIMER) $(build_flavor)
+	BUILD_STR=-q -a IA32 -a X64 -t COREBOOT -p $(bootloader)/$(bootloader)Ia32X64.dsc -b $(BUILD_TYPE) $(TIMER) $(build_flavor)
 endif
 
 all: clean build