Update table for another 4B revision 1.2

The 2GB new minor revision is in the wild.
Also tidy HAL_[Ext]MachineID leftovers.

Version 0.83. Tagged as 'HAL_BCM2835-0_83'

VersionNum

-/* (0.82)
+/* (0.83)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  *
  */
-#define Module_MajorVersion_CMHG        0.82
+#define Module_MajorVersion_CMHG        0.83
 #define Module_MinorVersion_CMHG        
-#define Module_Date_CMHG                05 Feb 2020
+#define Module_Date_CMHG                14 Mar 2020
 
-#define Module_MajorVersion             "0.82"
-#define Module_Version                  82
+#define Module_MajorVersion             "0.83"
+#define Module_Version                  83
 #define Module_MinorVersion             ""
-#define Module_Date                     "05 Feb 2020"
+#define Module_Date                     "14 Mar 2020"
 
-#define Module_ApplicationDate          "05-Feb-20"
+#define Module_ApplicationDate          "14-Mar-20"
 
 #define Module_ComponentName            "HAL_BCM2835"
 
-#define Module_FullVersion              "0.82"
-#define Module_HelpVersion              "0.82 (05 Feb 2020)"
-#define Module_LibraryVersionInfo       "0:82"
+#define Module_FullVersion              "0.83"
+#define Module_HelpVersion              "0.83 (14 Mar 2020)"
+#define Module_LibraryVersionInfo       "0:83"

s/GPIO

@@ -317,6 +317,8 @@ GPIO_Board_Conversion_Table
         DCD     GPIORevision_RaspberryPi_C_3Plus
         DCD     BoardRevision_Mem_1G+BoardRevision_Model_B4+(1:SHL:BoardRevision_Rev_Shift)
         DCD     GPIORevision_RaspberryPi_Mk4_B
+        DCD     BoardRevision_Mem_2G+BoardRevision_Model_B4+(2:SHL:BoardRevision_Rev_Shift)
+        DCD     GPIORevision_RaspberryPi_Mk4_B
         DCD     BoardRevision_Mem_2G+BoardRevision_Model_B4+(1:SHL:BoardRevision_Rev_Shift)
         DCD     GPIORevision_RaspberryPi_Mk4_B
         DCD     BoardRevision_Mem_4G+BoardRevision_Model_B4+(1:SHL:BoardRevision_Rev_Shift)

s/Top

@@ -1025,15 +1025,13 @@ HAL_SuperIOInfo
         MOV     pc, lr
 
 HAL_MachineID
-;        ADR     ip, MachAD
         LDR     ip, MachAD
         LDMIA   ip, {a1, a2}
-        mov     pc, lr
+        MOV     pc, lr
 
 MachAD  DCD     :INDEX:workspace + :INDEX:MachineID
 
 HAL_ExtMachineID
-        MOVS    ip, a1
         MOV     a1, #0
         MOV     pc, lr