misc: rtsx: list supported models in Kconfig help

rts5228, rts5261, rts5264 are supported by the rtsx_pci driver, but
they are not mentioned in the Kconfig help when the code was added.
List those models in the Kconfig help accordingly.
Signed-off-by: Yo-Jung Lin (Leo) <0xff07@gmail.com>
Link: https://lore.kernel.org/r/20241017144747.15966-1-0xff07@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/cardreader/Kconfig

@@ -16,7 +16,8 @@ config MISC_RTSX_PCI
 	select MFD_CORE
 	help
 	  This supports for Realtek PCI-Express card reader including rts5209,
-	  rts5227, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411, rts5260.
+	  rts5227, rts5228, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411,
+	  rts5260, rts5261, rts5264.
 	  Realtek card readers support access to many types of memory cards,
 	  such as Memory Stick, Memory Stick Pro, Secure Digital and
 	  MultiMediaCard.