[IA64] Make efi.c mostly fit in 80 columns

This patch is purely whitespace changes to make the code fit in 80
columns, plus fix some inconsistent indentation.  The efi_guidcmp()
tests remain wider than 80-columns since that seems to be the most
clear.

Signed-off-by: Aron Griffis <aron@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>