drm/i915/adl_s: Re-use TGL GuC/HuC firmware

ADL-S, like RKL, uses the same internal device ID for the GuC and HuC as
TGL did, making them all firmware-compatible.  Let's re-use TGL's
firmware for ADL-S.

Bspec: 50668
Cc: John Harrison <John.C.Harrison@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210129182945.217078-4-aditya.swarup@intel.com

drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c

@@ -44,9 +44,11 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
  * List of required GuC and HuC binaries per-platform.
  * Must be ordered based on platform + revid, from newer to older.
  *
- * Note that RKL uses the same firmware as TGL.
+ * Note that RKL and ADL-S have the same GuC/HuC device ID's and use the same
+ * firmware as TGL.
  */
 #define INTEL_UC_FIRMWARE_DEFS(fw_def, guc_def, huc_def) \
+	fw_def(ALDERLAKE_S, 0, guc_def(tgl, 49, 0, 1), huc_def(tgl,  7, 5, 0)) \
 	fw_def(ROCKETLAKE,  0, guc_def(tgl, 49, 0, 1), huc_def(tgl,  7, 5, 0)) \
 	fw_def(TIGERLAKE,   0, guc_def(tgl, 49, 0, 1), huc_def(tgl,  7, 5, 0)) \
 	fw_def(JASPERLAKE,  0, guc_def(ehl, 49, 0, 1), huc_def(ehl,  9, 0, 0)) \