nuvoton: add srcrev for npcm7xx-bootblock recipe

We appeared to be getting away with gsj machine build by utilizing
sstate caches. A fresh build of gsj does not compile with the errors
documented in openbmc/openbmc#3761.

Resolves openbmc/openbmc#3761

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Id51643a6d341e9f079b33de66a8cee7f49b01225
diff --git a/meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.16.bb b/meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.16.bb
index 77285dc..10d5dd1 100644
--- a/meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.16.bb
+++ b/meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.16.bb
@@ -8,6 +8,7 @@
 
 S = "${WORKDIR}"
 
+SRCREV = "7bfef99f7a0354395519c4975f96d66cdda1fb67"
 SRC_URI = " \
     https://raw.githubusercontent.com/Nuvoton-Israel/bootblock/${SRCREV}/LICENSE;name=lic \
     https://github.com/Nuvoton-Israel/bootblock/releases/download/BootBlock_${PV}/Poleg_bootblock_basic.bin;downloadfilename=${FILENAME};name=bin \