i2c: img-scb: Allow building for MIPS

The SCB is present on IMG SoCs other than the META-based TZ1090,
such as the MIPS-based Pistachio SoC.  Relax the Kconfig dependency
so that it can be built on any MIPS or META machine.
Signed-off-by: NAndrew Bresticker <abrestic@chromium.org>
Acked-by: NJames Hogan <james.hogan@imgtec.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/Kconfig

@@ -526,10 +526,10 @@ config I2C_IBM_IIC
 
 config I2C_IMG
 	tristate "Imagination Technologies I2C SCB Controller"
-	depends on SOC_TZ1090 || COMPILE_TEST
+	depends on MIPS || METAG || COMPILE_TEST
 	help
 	  Say Y here if you want to use the IMG I2C SCB controller,
-	  available on the TZ1090 SoC.
+	  available on the TZ1090 and other IMG SoCs.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-img-scb.