i2c: Add Microchip PolarFire SoC I2C driver

Add I2C driver code for the Microchip PolarFire SoC.
This driver supports I2C data transfer and probe for I2C
slave addresses.

Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index fca6b15..9d41f37 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -28,6 +28,7 @@
 obj-$(CONFIG_SYS_I2C_KONA) += kona_i2c.o
 obj-$(CONFIG_SYS_I2C_LPC32XX) += lpc32xx_i2c.o
 obj-$(CONFIG_SYS_I2C_MESON) += meson_i2c.o
+obj-$(CONFIG_SYS_I2C_MICROCHIP) += i2c-microchip.o
 obj-$(CONFIG_SYS_I2C_MV) += mv_i2c.o
 obj-$(CONFIG_SYS_I2C_MVTWSI) += mvtwsi.o
 obj-$(CONFIG_SYS_I2C_MXC) += mxc_i2c.o