mtd: spinand: gigadevice: add support for GD5FxGQ4xExxG

Add support for:
 GD5F1GQ4RExxG
 GD5F2GQ4{U,R}ExxG

These chips differ from GD5F1GQ4UExxG only in chip ID, voltage
and capacity.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220320100001.247905-3-gch981213@gmail.com