soc/intel/{cannonlake,skylake}: fix PCH_P2SB_EPMASK macro

The PCH_P2SB_EPMASK macro takes a parameter. Ensure parenthesis
are put around the parameter expansion.

Change-Id: I978e9397036ea3630434982fe4ecd698877fe0d6
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2 files changed