MAINTAINERS: add Raspberry Pi RP1 section

Raspberry Pi RP1 is a southbridge PCIe device which embeds several
peripherals.
Add a new section to cover the main RP1 driver, DTS and specific
subperipherals (such as clock and pinconf/pinmux/gpio controller).

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Link: https://lore.kernel.org/r/20250529135052.28398-13-andrea.porta@suse.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>

Author: Andrea della Porta

MAINTAINERS

@@ -20737,6 +20737,14 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/media/raspberrypi,rp1-cfe.yaml
 F:	drivers/media/platform/raspberrypi/rp1-cfe/
 
+RASPBERRY PI RP1 PCI DRIVER
+M:	Andrea della Porta <andrea.porta@suse.com>
+S:	Maintained
+F:	arch/arm64/boot/dts/broadcom/rp1*.dts*
+F:	drivers/clk/clk-rp1.c
+F:	drivers/misc/rp1/
+F:	drivers/pinctrl/pinctrl-rp1.c
+
 RC-CORE / LIRC FRAMEWORK
 M:	Sean Young <sean@mess.org>
 L:	linux-media@vger.kernel.org