infineon-firmware-updater: Do not call STRIP when building

Remove call to STRIP without any args. Otherwise, the package
fails to build when STRIP is set.

BUG=chromium:1110457
TEST=package builds with STRIP set

Change-Id: I7e6d62266dafef9239202e16f6a525bfd2ed0cdd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2335426
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed