i2c: microchip-core: convert SOC_MICROCHIP_POLARFIRE to ARCH_MICROCHIP_POLARFIRE

As part of converting RISC-V SOC_FOO symbols to ARCH_FOO to match the
use of such symbols on other architectures, convert the Microchip FPGA
i2c drivers to use the new symbol.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/Kconfig

@@ -804,7 +804,7 @@ config I2C_MESON
 
 config I2C_MICROCHIP_CORE
 	tristate "Microchip FPGA I2C controller"
-	depends on SOC_MICROCHIP_POLARFIRE || COMPILE_TEST
+	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
 	depends on OF
 	help
 	  If you say yes to this option, support will be included for the