rnndb: Add FECS.CTXSW.MAJOR_REV_ID
Hardware-stored major revision ID for firmware.
Source:
https://nv-tegra.nvidia.com/gitweb/?p=linux-nvgpu.git;a=blob;f=drivers/gpu/nvgpu/include/nvgpu/hw/gp10b/hw_gr_gp10b.h;hb=refs/tags/tegra-l4t-r28.2#l1253
<reg32 offset="0x500" name="WRCMD_DATA"/>
<reg32 offset="0x504" name="WRCMD_CMD"/>
+ <reg32 offset="0x60c" name="MAJOR_REV_ID"/>
+
<reg32 offset="0x620" name="NEW_CAPS">
<bitfield low="0" high="7" name="CODE_SIZE" shr="8"/>
<bitfield low="8" high="15" name="DATA_SIZE" shr="8"/>
