firmware_loader: remove #include <generated/utsrelease.h>

utsrelease.h is potentially generated on each build.
By removing this unused include we can get rid of some spurious
recompilations.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

drivers/base/firmware_loader/firmware.h

@@ -9,8 +9,6 @@
 #include <linux/list.h>
 #include <linux/completion.h>
 
-#include <generated/utsrelease.h>
-
 /**
  * enum fw_opt - options to control firmware loading behaviour
  *