firmware: arm_ffa: Upgrade the driver version to v1.1

With quite a few v1.1 features supported, we can bump the driver version
to v1.1 now.

Link: https://lore.kernel.org/r/20231005-ffa_v1-1_notif-v4-17-cddd3237809c@arm.comSigned-off-by: Sudeep Holla <sudeep.holla@arm.com>

drivers/firmware/arm_ffa/driver.c

@@ -43,7 +43,7 @@
 
 #include "common.h"
 
-#define FFA_DRIVER_VERSION	FFA_VERSION_1_0
+#define FFA_DRIVER_VERSION	FFA_VERSION_1_1
 #define FFA_MIN_VERSION		FFA_VERSION_1_0
 
 #define SENDER_ID_MASK		GENMASK(31, 16)