pci: Drop DM_PCI

This option has not effect now. Drop it, using PCI instead where needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index c2eb24e..c16ebb2 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -18,7 +18,7 @@
 obj-$(CONFIG_SYS_I2C_CA) += i2c-cortina.o
 obj-$(CONFIG_SYS_I2C_DAVINCI) += davinci_i2c.o
 obj-$(CONFIG_SYS_I2C_DW) += designware_i2c.o
-ifdef CONFIG_DM_PCI
+ifdef CONFIG_PCI
 obj-$(CONFIG_SYS_I2C_DW) += designware_i2c_pci.o
 endif
 obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o