qrb2210-rb1: Add ddr_b partition

Add ddr_b partition which is to be used in order to support proper A/B
boot flow.

Signed-off-by: Sumit Garg <[email protected]>

Author: b49020

platforms/qrb2210-rb1/partitions.conf

@@ -49,7 +49,8 @@
 --partition --name=dsp_b --size=65536KB --type-guid=77036CD4-03D5-42BB-8ED1-37E5A88BAA34
 --partition --name=abl_a --size=1024KB --type-guid=BD6928A1-4CE0-A038-4F3A-1495E3EDDFFB --filename=abl.elf
 --partition --name=abl_b --size=1024KB --type-guid=3D3E3AD2-8FF3-4975-A7E7-0E8A10B69F0D --filename=abl.elf
---partition --name=ddr --size=1024KB --type-guid=20A0C19C-286A-42FA-9CE7-F64C3226A794
+--partition --name=ddr_a --size=1024KB --type-guid=20A0C19C-286A-42FA-9CE7-F64C3226A794
+--partition --name=ddr_b --size=1024KB --type-guid=325DEF02-1305-44A3-AA8D-AC82FEBE220E
 --partition --name=ssd --size=8KB --type-guid=2C86E742-745E-4FDD-BFD8-B6A7AC638772
 --partition --name=imagefv_a --size=2048KB --type-guid=17911177-C9E6-4372-933C-804B678E666F --filename=imagefv.elf
 --partition --name=imagefv_b --size=2048KB --type-guid=77036CD4-03D5-42BB-8ED1-37E5A88BAA34 --filename=imagefv.elf