pull in changes from libc for the routerboard imto ape libap

Reference: /n/atom/patch/applied2013/rbapeap
Date: Wed Jul 31 18:52:09 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/ape/lib/ap/mips/tas.s	Wed Jul 31 18:51:44 2013
+++ /sys/src/ape/lib/ap/mips/tas.s	Wed Jul 31 18:51:45 2013
@@ -1,5 +1,5 @@
 /*
- *	magnum user level lock code
+ *	mips user level lock code
  */
 
 #define	LL(base, rt)	WORD	$((060<<26)|((base)<<21)|((rt)<<16))
@@ -26,8 +26,4 @@
 	SC(2, 3)
 	NOOP
 	BEQ	R3, tas1
-	RET
-
-	TEXT	C_fcr0(SB), $0
-	MOVW	FCR0, R1
 	RET
--- /sys/src/ape/lib/ap/mips/memmove.s	Wed Jul 31 18:51:46 2013
+++ /sys/src/ape/lib/ap/mips/memmove.s	Wed Jul 31 18:51:46 2013
@@ -26,7 +26,7 @@
 
 /*
  * if not at least 4 chars,
- * dont even mess around.
+ * don't even mess around.
  * 3 chars to guarantee any
  * rounding up to a word
  * boundary and 4 characters
--- /sys/src/ape/lib/ap/mips/mkfile	Wed Jul 31 18:51:47 2013
+++ /sys/src/ape/lib/ap/mips/mkfile	Wed Jul 31 18:51:47 2013
@@ -2,6 +2,7 @@
 <$APE/config
 LIB=/$objtype/lib/ape/libap.a
 OFILES=\
+	c_fcr0.$O\
 	cycles.$O\
 	getfcr.$O\
 	lock.$O\