[BUGFIX] iwlwifi: fw: add a workaround to secure boot failures

Add a workaround for secure boot failures which enables the driver
to retry loading the firmware 3 times before failure.

type=bugfix
bug=cq:MWG100247686
fixes=unknown

Change-Id: I982984420cc8d6845964f1c3f9f07f43d9049b0c
Signed-off-by: Oren Givon <oren.givon@intel.com>
Reviewed-on: https://git-amr-3.devtools.intel.com/gerrit/6990
Tested-by: ec ger unix iil jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Reviewed-by: Grumbach, Emmanuel <emmanuel.grumbach@intel.com>
(cherry picked from commit 19d5831e69a539ee86548e50bab0d5efc9556a9f)
Reviewed-on: https://git-amr-3.devtools.intel.com/gerrit/7939
x-iwlwifi-stack-dev: 38a59b3f94710597fd57e4dcbbf08203f399aed7
2 files changed