bits: use PV variable in configure path

Rather than hardcoding the package version, utilize the PV variable
to define the configure path. This will prevent build issues
when moving to a newer version.

Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
bits: update to 1090

1090 is the lastest release of the BIOS Implementation Test
Suite (BITS). These are the changes as per BITS relase notes:

 *Update to ACPICA version 20140325

 *Backport GRUB2 commit 4e42521d8c9232b6ee9eac7d8b4945a7479de781
  to preserve 16-byte alignment of the stack on EFI calls

 * python: Support the csv module

Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>