arm/optee: add upstream tag regex

So that the automatic latest upstream release detection works correctly,
specify what release tags look like.

Change-Id: Ibc43aecd3cb4def85e2f1549d16f5bcb27cfb703
Signed-off-by: Ross Burton <ross.burton@arm.com>

meta-arm/recipes-security/optee/optee-client.inc

@@ -13,6 +13,8 @@ SRC_URI = " \
     file://tee-supplicant.sh \
 "
 
+UPSTREAM_CHECK_GITTAGREGEX = "^(?P<pver>\d+(\.\d+)+)$"
+
 S = "${WORKDIR}/git"
 
 EXTRA_OECMAKE = "-DBUILD_SHARED_LIBS=ON"

meta-arm/recipes-security/optee/optee.inc

@@ -1,3 +1,5 @@
+UPSTREAM_CHECK_GITTAGREGEX = "^(?P<pver>\d+(\.\d+)+)$"
+
 COMPATIBLE_MACHINE ?= "invalid"
 COMPATIBLE_MACHINE_qemuarm64 ?= "qemuarm64"
 # Please add supported machines below or set it in .bbappend or .conf