tpm2-tools: fix missing version number

Calling autoreconf outside git repo causes the version number to
be null. This patch makes the version number fixed.

Signed-off-by: Petr Gotthard <petr.gotthard@advantech.cz>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-tpm/recipes-tpm2/tpm2-tools/tpm2-tools_5.2.bb

@@ -11,3 +11,8 @@ SRC_URI = "https://github.com/tpm2-software/${BPN}/releases/download/${PV}/${BPN
 SRC_URI[sha256sum] = "c0b402f6a7b3456e8eb2445211e2d41c46c7e769e05fe4d8909ff64119f7a630"
 
 inherit autotools pkgconfig bash-completion
+
+do_configure:prepend() {
+    # do not extract the version number from git
+    sed -i -e 's/m4_esyscmd_s(\[git describe --tags --always --dirty\])/${PV}/' ${S}/configure.ac
+}