Fix the Ambra's not appearing for the old dynarec. Added few 286 boards

Added a few 286 boards:
- Unknown Phoenix Headland
- Unknown Quadtel Headland
- Headland IQS(Phoenix A286)
- The AMI, Quadtel and Phoenix variants of IBM AT
- Samsung Deskmaster 286
- A Dev branched Micronics 386 Board

src/win/Makefile.mingw

@@ -83,6 +83,9 @@ ifeq ($(DEV_BUILD), y)
  ifndef VECTRA54
   VECTRA54	:= y
  endif
+ ifndef MICRONICS386
+  MICRONICS386	:= y
+ endif
  ifndef VGAWONDER
   VGAWONDER	:= y
  endif
@@ -144,6 +147,9 @@ else
  ifndef VECTRA54
   VECTRA54	:= n
  endif
+ ifndef MICRONICS386
+  MICRONICS386	:= n
+ endif
  ifndef VGAWONDER
   VGAWONDER	:= n
  endif
@@ -500,6 +506,10 @@ ifeq ($(VECTRA54), y)
 OPTS		+= -DUSE_VECTRA54
 endif
 
+ifeq ($(MICRONICS386), y)
+OPTS		+= -DUSE_MICRONICS386
+endif
+
 ifeq ($(VGAWONDER), y)
 OPTS		+= -DUSE_VGAWONDER
 endif

src/win/Makefile_ndr.mingw

@@ -83,6 +83,9 @@ ifeq ($(DEV_BUILD), y)
  ifndef VECTRA54
   VECTRA54	:= y
  endif
+ ifndef MICRONICS386
+  MICRONICS386	:= y
+ endif
  ifndef VGAWONDER
   VGAWONDER	:= y
  endif
@@ -144,6 +147,9 @@ else
  ifndef VECTRA54
   VECTRA54	:= n
  endif
+ ifndef MICRONICS386
+  MICRONICS386	:= n
+ endif
  ifndef VGAWONDER
   VGAWONDER	:= n
  endif
@@ -506,6 +512,10 @@ ifeq ($(VECTRA54), y)
 OPTS		+= -DUSE_VECTRA54
 endif
 
+ifeq ($(MICRONICS386), y)
+OPTS		+= -DUSE_MICRONICS386
+endif
+
 ifeq ($(VGAWONDER), y)
 OPTS		+= -DUSE_VGAWONDER
 endif