radeon: add ucode for KAVERI GPUs

Add new ucode files and update the WHENCE entry.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

WHENCE

@@ -1540,6 +1540,12 @@ File: radeon/KABINI_mec.bin
 File: radeon/KABINI_pfp.bin
 File: radeon/KABINI_rlc.bin
 File: radeon/KABINI_sdma.bin
+File: radeon/KAVERI_ce.bin
+File: radeon/KAVERI_me.bin
+File: radeon/KAVERI_mec.bin
+File: radeon/KAVERI_pfp.bin
+File: radeon/KAVERI_rlc.bin
+File: radeon/KAVERI_sdma.bin
 
 Licence: Redistributable. See LICENSE.radeon for details.