* mips/crt0.S: Configure processor based on .MIPS.abiflags.

Remove FPU availability check, just use the pre-processor flags
	to indicicate what the user wanted.
	* mips/abiflags.S: New file.
	* mips/regs.S (SR_MSA): Define macro.
	* mips/mti32.ld: Place .MIPS.abiflags and wrap in marker symbols.
	* mips/mti64.ld: Likewise.
	* mips/mti64_64.ld: Likewise.
	* mips/mti64_n32.ld: Likewise.

libgloss/mips/mti32.ld

@@ -93,6 +93,11 @@ SECTIONS
   }
 
   . = .;
+  .MIPS.abiflags : {
+    __MIPS_abiflags_start = .;
+    *(.MIPS.abiflags)
+    __MIPS_abiflags_end = .;
+  }
   .rodata : {
     *(.rdata)
     *(.rodata)
@@ -137,6 +142,7 @@ SECTIONS
     *(COMMON)
   }
 
+  . = ALIGN(4);
   PROVIDE (end = .);
   _end = .;