Narrow down caller regex in VmallocInfo

Part of the caller function could be lexed
as 'ioremap' token if it happened to start
with that.

Bug: 64022865
Test: passes on marlin and emulator
Change-Id: I588655811b9740e63b0756d3b64df0134783e29f
(cherry picked from commit 31a013e5addd6b42e287af7b75bf4af18dbf4d89)
1 file changed