MIPS: Alchemy: Au1300 SoC support

Add basic support for the Au1300 variant(s):
- New GPIO/Interrupt controller
- DBDMA ids
- USB setup
- MMC support
- enable various PSC drivers
- detection code.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2866/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/sound/soc/au1x/Kconfig b/sound/soc/au1x/Kconfig
index e908a81..93323cc 100644
--- a/sound/soc/au1x/Kconfig
+++ b/sound/soc/au1x/Kconfig
@@ -1,13 +1,13 @@
 ##
-## Au1200/Au1550 PSC + DBDMA
+## Au1200/Au1550/Au1300 PSC + DBDMA
 ##
 config SND_SOC_AU1XPSC
-	tristate "SoC Audio for Au1200/Au1250/Au1550"
+	tristate "SoC Audio for Au12xx/Au13xx/Au1550"
 	depends on MIPS_ALCHEMY
 	help
 	  This option enables support for the Programmable Serial
 	  Controllers in AC97 and I2S mode, and the Descriptor-Based DMA
-	  Controller (DBDMA) as found on the Au1200/Au1250/Au1550 SoC.
+	  Controller (DBDMA) as found on the Au12xx/Au13xx/Au1550 SoC.
 
 config SND_SOC_AU1XPSC_I2S
 	tristate