dm: pci: Disable PCI compatibility functions by default

We eventually need to drop the compatibility functions for driver model. As
a first step, create a configuration option to enable them and hide them
when the option is disabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 8db0708..fbfb204 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -7,6 +7,7 @@
 	select DM_I2C
 	select DM_KEYBOARD
 	select DM_PCI
+	select DM_PCI_COMPAT
 	select DM_SERIAL
 	select DM_SPI
 	select DM_SPI_FLASH