flashchips: Add GD25R256D name

This one should be fully compatible to the GD25B256D, except that
it also features RPMC commands.

Datasheet used:
https://www.gigadevice.com.cn/Public/Uploads/uploadfile/files/20241211/DS-00406-GD25R256D-Rev1.3.pdf

Change-Id: If914e7ae3aa607a878fd844a8ce9010fa91130fc
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/582
diff --git a/flashchips.c b/flashchips.c
index e961bdc..4cf7d22 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -9015,7 +9015,7 @@
 
 	{
 		.vendor		= "GigaDevice",
-		.name		= "GD25Q256D/GD25B256D",
+		.name		= "GD25Q256D/GD25B256D/GD25R256D",
 		.bustype	= BUS_SPI,
 		.id.type	= ID_SPI_RDID,
 		.id.manufacture	= GIGADEVICE_ID,
@@ -9062,7 +9062,7 @@
 		.voltage	= {2700, 3600},
 		.reg_bits	=
 		{
-			.qe	= {STATUS2, 1, RW}, /* GD25B256D: Fixed QE=1 */
+			.qe	= {STATUS2, 1, RW}, /* GD25B/R: Fixed QE=1 */
 			.srp    = {STATUS1, 7, RW},
 			.srl    = {STATUS2, 6, RW},
 			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}, {STATUS1, 5, RW}},