drm/amdkfd: Add picasso pci id

Picasso is a new raven variant.
Reviewed-by: NKent Russell <kent.russell@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -320,6 +320,7 @@ static const struct kfd_deviceid supported_devices[] = {
 	{ 0x9876, &carrizo_device_info },	/* Carrizo */
 	{ 0x9877, &carrizo_device_info },	/* Carrizo */
 	{ 0x15DD, &raven_device_info },		/* Raven */
+	{ 0x15D8, &raven_device_info },		/* Raven */
 #endif
 	{ 0x67A0, &hawaii_device_info },	/* Hawaii */
 	{ 0x67A1, &hawaii_device_info },	/* Hawaii */