ARM: l2c: add definition for FWA in PL310 aux register

The PL310 also has a "Force write allocate" bits in the Auxiliary
Control Register.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>

arch/arm/include/asm/hardware/cache-l2x0.h

@@ -118,6 +118,8 @@
 #define L310_AUX_CTRL_STORE_LIMITATION		BIT(11)	/* R2P0+ */
 #define L310_AUX_CTRL_EXCLUSIVE_CACHE		BIT(12)
 #define L310_AUX_CTRL_ASSOCIATIVITY_16		BIT(16)
+#define L310_AUX_CTRL_FWA_SHIFT			23
+#define L310_AUX_CTRL_FWA_MASK			(3 << 23)
 #define L310_AUX_CTRL_CACHE_REPLACE_RR		BIT(25)	/* R2P0+ */
 #define L310_AUX_CTRL_NS_LOCKDOWN		BIT(26)
 #define L310_AUX_CTRL_NS_INT_CTRL		BIT(27)