Use full path for PKGDATADIR to be able to use bison from any dir

Otherwise host bison is built with relative PKGDATADIR and can be used
only from AOSP root. It looks for m4sugar.m4 using this dir.

Change-Id: Id042fba751778f6fee5a403d887425672118441e
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
1 file changed