rnndb/pmc: Document PSEC2 bitfield of PMC.{ENABLE|INTR_*}
Based in part upon [0] and IRC discussion November 22, 2017.
[0]
<bitfield pos="14" name="PVCOMP" variants="MCP89:GF100"/>
<bitfield pos="15" name="PBSP" variants="G84:G98 G200:MCP77"/>
<bitfield pos="15" name="PVLD" variants="G98:G200 MCP77:GM107"/>
- <bitfield pos="15" name="PUNK087" variants="GM107-"/>
+ <bitfield pos="15" name="PSEC2" variants="GM107-"/>
<bitfield pos="16" name="PRM" variants="NV1"/>
<bitfield pos="16" name="PVIDEO" variants="NV3:G80"/>
<bitfield pos="16" name="UNK16" variants="GT215:GF100" />
<bitfield pos="14" name="PCIPHER" variants="G84:G98 G200:MCP77"/>
<bitfield pos="14" name="PSEC" variants="G98:G200 MCP77:GT215"/>
<bitfield pos="14" name="PVCOMP" variants="MCP89:GF100"/>
- <bitfield pos="14" name="PUNK087" variants="GM107-"/>
+ <bitfield pos="14" name="PSEC2" variants="GM107-"/>
<bitfield pos="15" name="PBSP" variants="G84:G98 G200:MCP77"/>
<bitfield pos="15" name="PVLD" variants="G98:G200 MCP77:GM107"/>
<bitfield pos="15" name="PUNK084" variants="GM107-"/>
