11581 'debug' loader option is a little obscure
Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com>
Reviewed by: Rob Johnston <rob.johnston@joyent.com>

@@ -154,11 +154,11 @@
        [char] k addr len + c! len 1+ to len
      then
   else
     drop
   then
-  s" boot_debug" getenv dup -1 <> if
+  s" boot_drop_into_kmdb" getenv dup -1 <> if
      s" YES" compare-insensitive 0= if
        [char] d addr len + c! len 1+ to len
      then
   else
     drop

@@ -284,11 +284,11 @@
 \ in case the boot-args is set, parse it and extract following options:
 \ -a to boot_ask=YES
 \ -s to boot_single=YES
 \ -v to boot_verbose=YES
 \ -k to boot_kmdb=YES
-\ -d to boot_debug=YES
+\ -d to boot_drop_into_kmdb=YES
 \ -r to boot_reconfigure=YES
 \ -B acpi-user-options=X to acpi-user-options=X
 \ 
 \ This is needed so that the menu can manage these options. Unfortunately, this
 \ also means that boot-args will override previously set options, but we have no

@@ -453,11 +453,11 @@
         else dup c@ [char] v = if
           s" set boot_verbose=YES" evaluate TRUE
         else dup c@ [char] k = if
           s" set boot_kmdb=YES" evaluate TRUE
         else dup c@ [char] d = if
-          s" set boot_debug=YES" evaluate TRUE
+          s" set boot_drop_into_kmdb=YES" evaluate TRUE
         else dup c@ [char] r = if
           s" set boot_reconfigure=YES" evaluate TRUE
         else dup c@ [char] a = if
           s" set boot_ask=YES" evaluate TRUE
         then then then then then then