arm/fvp: add more helper variables for the versioning

Add more helper variables for the FVP version to help construct URLs.

If PV is 1.2.3, then VERSION is 1.2 and BUILD is 3.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm/recipes-devtools/fvp/fvp-common.inc

@@ -15,6 +15,10 @@ def get_real_pv(d):
     # FVP versions are like 11.12_43
     pv = d.getVar("PV")
     return "%s.%s_%s" % tuple(pv.split("."))
+
+# If PV is 1.2.3, VERSION=1.2, BUILD=3, PV_URL=1.2_3.
+VERSION = "${@oe.utils.trim_version(d.getVar('PV', -1))}"
+BUILD = "${@d.getVar('PV').split('.')[-1]}"
 PV_URL = "${@get_real_pv(d)}"
 
 # The directory the FVP is installed into