board rev b2 for PVT (#529)

Author: ahiuchingau

stm32-modules/flex-stacker/src/CMakeLists.txt

@@ -25,8 +25,8 @@ if (NOT VERSION)
     set(VERSION "(dev)")
 endif()
 
-set(ALLOWED_REVISIONS nff a1 b1)
-set(DEFAULT_REV b1)
+set(ALLOWED_REVISIONS nff a1 b1 b2)
+set(DEFAULT_REV b2)
 if(DEFINED STACKER_REVISION)
     list(FIND ALLOWED_REVISIONS ${STACKER_REVISION} index)
     if(index EQUAL -1)