payloads/ext/tianocore/Makefile: Fix word in comment

revalant ---> relevant

Change-Id: Id31a57644947bf8c0f461dbfc9ca8b1984e9acb8
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66151
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
diff --git a/payloads/external/tianocore/Makefile b/payloads/external/tianocore/Makefile
index ad7887b..595843f 100644
--- a/payloads/external/tianocore/Makefile
+++ b/payloads/external/tianocore/Makefile
@@ -81,7 +81,7 @@
 BUILD_STR += -D SD_MMC_TIMEOUT=$(call int-multiply, $(CONFIG_TIANOCORE_SD_MMC_TIMEOUT) 1000)
 endif
 #
-# EDKII has the below PCDs that are revalant to coreboot:
+# EDKII has the below PCDs that are relevant to coreboot:
 #
 # Allows EDKII to use the full framebuffer
 BUILD_STR += --pcd gEfiMdeModulePkgTokenSpaceGuid.PcdConOutRow=0