libsys: consolidate PSEUDO definitions

Consolidate in preparation for further cleanup.

Also relocate the sole NOASM entry.

Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D44107

lib/libsys/Makefile.sys

@@ -12,19 +12,12 @@
 # NOASM will prevent the default syscall code from being generated.
 # PSEUDO generates _<sys>() and __sys_<sys>() symbols, but not <sys>().
 #
-# While historically machine dependent, all architectures have the following
-# declarations in common:
-#
-NOASM=	yield.o
-PSEUDO=	_exit.o \
-	_getlogin.o
 .include "${LIBSYS_SRCTOP}/${LIBC_ARCH}/Makefile.sys"
 .if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64"
 .include "${LIBSYS_SRCTOP}/x86/Makefile.sys"
 .endif
 
 SRCS+= clock_gettime.c gettimeofday.c __vdso_gettimeofday.c
-PSEUDO+= _clock_gettime.o _gettimeofday.o
 
 # Sources common to both syscall interfaces:
 SRCS+=	\
@@ -40,8 +33,6 @@ SRCS+=	creat.c
 SRCS+=	lockf.c wait.c wait3.c waitpid.c waitid.c
 SRCS+=	recv.c recvmmsg.c send.c sendmmsg.c
 
-PSEUDO+= _sched_getcpu.o
-
 SRCS+= brk.c
 SRCS+= closefrom.c
 SRCS+= pipe.c
@@ -59,6 +50,15 @@ SOBJS+=	libc_stubs.pico
 STATICOBJS+=	auxv.o
 .endif
 
+NOASM=	yield.o
+
+PSEUDO= \
+	_clock_gettime.o \
+	_exit.o \
+	_getlogin.o \
+	_gettimeofday.o \
+	_sched_getcpu.o
+
 INTERPOSED = \
 	accept \
 	accept4 \