sigma: Update latest from Bob Supnik's v3.12-5

- Add new CP and CR devices
- COC: Zero delay from SIO to INIT state Detect and UEN on 0xFF order
- COC: Moved SIO int pending test to devices
- DK: Zero delay from SIO to INIT state
- DP: Added case points for RDEES, dp_aio_status
- DP: Zero delay from SIO to INIT state
 - defs:  Added chaining modifier flag
 - defs:  Fixed DVT_NODEV definition
 - defs:  Added chan_chk_dvi definition
 - io: Added chaining modifier flag
- LP: Zero delay from SIO to INIT state
- LP: Added INIT test for illegal command
- LP: Moved SIO interrupt test to devices
- MT: Zero delay from SIO to INIT state
- PT: Zero delay from SIO to INIT state
- PT: Moved SIO interrupt test to devices
- RAD: Zero delay from SIO to INIT state
- RAD: Fixed nx unit test
- RAD: Fixed write protect test
- TT: Zero delay from SIO to INIT state
- TT: Moved SIO int pending test to devices

Visual Studio Projects/sigma.vcproj

@@ -205,10 +205,18 @@
 				RelativePath="..\sigma\sigma_coc.c"
 				>
 			</File>
+			<File
+				RelativePath="..\sigma\sigma_cp.c"
+				>
+			</File>
 			<File
 				RelativePath="..\sigma\sigma_cpu.c"
 				>
 			</File>
+			<File
+				RelativePath="..\sigma\sigma_cr.c"
+				>
+			</File>
 			<File
 				RelativePath="..\sigma\sigma_dk.c"
 				>

Visual Studio Projects/sigma.vcxproj

@@ -240,7 +240,9 @@
     <ClCompile Include="..\scp.c" />
     <ClCompile Include="..\sigma\sigma_cis.c" />
     <ClCompile Include="..\sigma\sigma_coc.c" />
+    <ClCompile Include="..\sigma\sigma_cp.c" />
     <ClCompile Include="..\sigma\sigma_cpu.c" />
+    <ClCompile Include="..\sigma\sigma_cr.c" />
     <ClCompile Include="..\sigma\sigma_dk.c" />
     <ClCompile Include="..\sigma\sigma_dp.c" />
     <ClCompile Include="..\sigma\sigma_fp.c" />