fix(intel): fix fpga config write return mechanism

This revert commit 279c8015fefcb544eb311b9052f417fc02ab84aa.
The previous change breaks this feature compatibility with Linux driver.
Hence, the fix for the earlier issue is going to be fixed in uboot instead.

Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I93220243bad65ed53322050d990544c7df4ce66b
1 file changed