configs/chromebox_panther_defconfig: Re-enable CONFIG_DM_PCI

This was turned off by accident, re-enble.
Signed-off-by: NTom Rini <trini@konsulko.com>

configs/chromebox_panther_defconfig

@@ -40,6 +40,7 @@ CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_DM_ETH=y
 CONFIG_RTL8169=y
+CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_SYS_NS16550=y
 CONFIG_ICH_SPI=y