rt2x00: Add RF chip definition

Add RF chip definition
Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2800.h

@@ -46,8 +46,11 @@
  * RF2020 2.4G B/G
  * RF3021 2.4G 1T2R
  * RF3022 2.4G 2T2R
- * RF3052 2.4G 2T2R
- * RF3320 2.4G 1T1R
+ * RF3052 2.4G/5G 2T2R
+ * RF2853 2.4G/5G 3T3R
+ * RF3320 2.4G 1T1R(RT3350/RT3370/RT3390)
+ * RF3322 2.4G 2T2R(RT3352/RT3371/RT3372/RT3391/RT3392)
+ * RF3853 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662)
  */
 #define RF2820				0x0001
 #define RF2850				0x0002
@@ -58,7 +61,10 @@
 #define RF3021				0x0007
 #define RF3022				0x0008
 #define RF3052				0x0009
+#define RF2853				0x000a
 #define RF3320				0x000b
+#define RF3322				0x000c
+#define RF3853				0x000d
 
 /*
  * Chipset revisions.