mips: ath79: add support for QCA953x SOCs

This patch enable work for qca953x SOC.

Signed-off-by: Wills Wang <wills.wang@live.com>
diff --git a/arch/mips/mach-ath79/Kconfig b/arch/mips/mach-ath79/Kconfig
index ab93d92..e35f1b5 100644
--- a/arch/mips/mach-ath79/Kconfig
+++ b/arch/mips/mach-ath79/Kconfig
@@ -13,4 +13,13 @@
 	help
 	  This supports QCA/Atheros ar933x family SOCs.
 
+config SOC_QCA953X
+	bool
+	select SUPPORTS_BIG_ENDIAN
+	select SUPPORTS_CPU_MIPS32_R1
+	select SUPPORTS_CPU_MIPS32_R2
+	select MIPS_TUNE_24KC
+	help
+	  This supports QCA/Atheros qca953x family SOCs.
+
 endmenu