amdgpu: add firmware for GC 10.3.6 IP block

From internal git commit:
cfcc211118953f2000927f2754b478ca323546cd

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

WHENCE

@@ -2518,6 +2518,12 @@ File: amdgpu/aldebaran_smc.bin
 File: amdgpu/aldebaran_sos.bin
 File: amdgpu/aldebaran_ta.bin
 File: amdgpu/aldebaran_vcn.bin
+File: amdgpu/gc_10_3_6_ce.bin
+File: amdgpu/gc_10_3_6_me.bin
+File: amdgpu/gc_10_3_6_mec.bin
+File: amdgpu/gc_10_3_6_mec2.bin
+File: amdgpu/gc_10_3_6_pfp.bin
+File: amdgpu/gc_10_3_6_rlc.bin
 File: amdgpu/gc_10_3_7_ce.bin
 File: amdgpu/gc_10_3_7_me.bin
 File: amdgpu/gc_10_3_7_mec.bin