MIPS: inst.h: Fix some instruction descriptions

Fix the description of the microMIPS NOP16 encoding or MM_NOP16, which
is not equivalent to the MIPS16 NOP instruction. This is 0x0c00 and
represents the microMIPS `MOVE16 $0, $0' operation, whereas MIPS16 NOP
is encoded as 0x6500, representing `MOVE $0, $16'.

Also fix a typo in `mm_fp0_format' description.

Signed-off-by: Maciej W. Rozycki <[e-mail]>
Cc: Aurelien Jarno <[e-mail]>
Cc: [e-mail]
Patchwork: https://patchwork.linux-mips.org/patch/12177/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/include/uapi/asm/inst.h

···
 };
 
 /*
- * (microMIPS & MIPS16e) NOP instruction.
+ * (microMIPS) NOP instruction.
  */
 #define MM_NOP16	0x0c00
 
···
 	;))))))
 };
 
-struct mm_fp0_format {		/* FPU multipy and add format (microMIPS) */
+struct mm_fp0_format {		/* FPU multiply and add format (microMIPS) */
 	__BITFIELD_FIELD(unsigned int opcode : 6,
 	__BITFIELD_FIELD(unsigned int ft : 5,
 	__BITFIELD_FIELD(unsigned int fs : 5,