kernel: other: limit serial-8250-exar to devices with PCI support

Kmod-serial-8250-exar supports Serial cards connected via PCIe bus. On targets
without PCI support, this package is empty.

Signed-off-by: Aleksander Jan Bajkowski <[email protected]>

package/kernel/linux/modules/other.mk

@@ -901,7 +901,7 @@ define KernelPackage/serial-8250-exar
   KCONFIG:= CONFIG_SERIAL_8250_EXAR
   FILES:=$(LINUX_DIR)/drivers/tty/serial/8250/8250_exar.ko
   AUTOLOAD:=$(call AutoProbe,8250 8250_base 8250_exar)
-  DEPENDS:=+kmod-serial-8250
+  DEPENDS:=@PCI_SUPPORT +kmod-serial-8250
 endef
 
 define KernelPackage/serial-8250-exar/description