ti_armv7_common: i2c: do not define DM_I2C for spl

Since omap's spl doesn't support DM currently, do not define
DM_I2C for spl build.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h
index ba7cf15..b996f35 100644
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -108,6 +108,14 @@
 /* Timer information. */
 #define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
 
+/*
+ * Disable DM_* for SPL build and can be re-enabled after adding
+ * DM support in SPL
+ */
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_DM_I2C
+#endif
+
 /* I2C IP block */
 #define CONFIG_I2C
 #define CONFIG_SYS_I2C