i2c: Remove non-DM_I2C support from davinci_i2c.c

As the migration deadline has passed, and all platforms have been
migrated, remove the non-DM code here.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index d25c573..72d06e4 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -687,9 +687,9 @@
 
 config SYS_I2C_BUS_MAX
 	int "Max I2C busses"
-	depends on ARCH_KEYSTONE || ARCH_OMAP2PLUS || ARCH_SOCFPGA
+	depends on ARCH_OMAP2PLUS || ARCH_SOCFPGA
 	default 2 if TI816X
-	default 3 if OMAP34XX || AM33XX || AM43XX || ARCH_KEYSTONE
+	default 3 if OMAP34XX || AM33XX || AM43XX
 	default 4 if ARCH_SOCFPGA || OMAP44XX || TI814X
 	default 5 if OMAP54XX
 	help