ARM: shmobile: defconfig: Refresh for v6.3-rc1

Refresh the defconfig for Renesas ARM systems:
  - Disable CONFIG_SERIAL_8250_PCI1XXXX (No Microchip 8250 based serial
    ports),
  - Enable RZ/N1 USB Function controller support.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b4bac37273be5287b0198abe0aafd16f08ed330d.1678286291.git.geert+renesas@glider.be

arch/arm/configs/shmobile_defconfig

@@ -76,6 +76,7 @@ CONFIG_SERIAL_8250=y
 # CONFIG_SERIAL_8250_16550A_VARIANTS is not set
 CONFIG_SERIAL_8250_CONSOLE=y
 # CONFIG_SERIAL_8250_PCI is not set
+# CONFIG_SERIAL_8250_PCI1XXXX is not set
 CONFIG_SERIAL_8250_DW=y
 CONFIG_SERIAL_8250_EM=y
 # CONFIG_SERIAL_8250_PERICOM is not set
@@ -168,6 +169,7 @@ CONFIG_USB_R8A66597_HCD=y
 CONFIG_USB_RENESAS_USBHS=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_RENESAS_USBHS_UDC=y
+CONFIG_USB_RENESAS_USBF=y
 CONFIG_USB_ETH=y
 CONFIG_MMC=y
 CONFIG_MMC_SDHI=y