drm/radeon: add Hawaii chip family

Hawaii is a new CI-based dGPU.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/radeon_device.c

@@ -98,6 +98,7 @@ static const char radeon_family_name[][16] = {
 	"BONAIRE",
 	"KAVERI",
 	"KABINI",
+	"HAWAII",
 	"LAST",
 };
 

drivers/gpu/drm/radeon/radeon_family.h

@@ -96,6 +96,7 @@ enum radeon_family {
 	CHIP_BONAIRE,
 	CHIP_KAVERI,
 	CHIP_KABINI,
+	CHIP_HAWAII,
 	CHIP_LAST,
 };