s390: cleanup arch/s390/kernel Makefile

Group all compiler flag modification lines together and sort them
alphabetically. This should hopefully prevent future bugs due to
missing flag modifications.
Also fix indentation at some places.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/kernel/Makefile

@@ -2,14 +2,41 @@
 # Makefile for the linux kernel.
 #
 
+ifdef CONFIG_FUNCTION_TRACER
+
+# Do not trace tracer code
+CFLAGS_REMOVE_ftrace.o	= $(CC_FLAGS_FTRACE)
+
+# Do not trace early setup code
+CFLAGS_REMOVE_als.o	= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_early.o	= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_sclp.o	= $(CC_FLAGS_FTRACE)
+
+endif
+
+GCOV_PROFILE_als.o	:= n
+GCOV_PROFILE_early.o	:= n
+GCOV_PROFILE_sclp.o	:= n
+
+KCOV_INSTRUMENT_als.o	:= n
 KCOV_INSTRUMENT_early.o	:= n
 KCOV_INSTRUMENT_sclp.o	:= n
-KCOV_INSTRUMENT_als.o := n
 
-ifdef CONFIG_FUNCTION_TRACER
-# Don't trace early setup code and tracing code
-CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
+UBSAN_SANITIZE_als.o	:= n
+UBSAN_SANITIZE_early.o	:= n
+UBSAN_SANITIZE_sclp.o	:= n
+
+#
+# Use -march=z900 for sclp.c and als.c to be able to print an error
+# message if the kernel is started on a machine which is too old
+#
+ifneq ($(CC_FLAGS_MARCH),-march=z900)
+CFLAGS_REMOVE_als.o	+= $(CC_FLAGS_MARCH)
+CFLAGS_als.o		+= -march=z900
+CFLAGS_REMOVE_sclp.o	+= $(CC_FLAGS_MARCH)
+CFLAGS_sclp.o		+= -march=z900
+AFLAGS_REMOVE_head.o	+= $(CC_FLAGS_MARCH)
+AFLAGS_head.o		+= -march=z900
 endif
 
 #
@@ -32,27 +59,6 @@ CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'
 
 CFLAGS_sysinfo.o	+= -w
 
-#
-# Use -march=z900 for sclp.c and als.c to be able to print an error
-# message if the kernel is started on a machine which is too old
-#
-CFLAGS_REMOVE_sclp.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_als.o = $(CC_FLAGS_FTRACE)
-ifneq ($(CC_FLAGS_MARCH),-march=z900)
-CFLAGS_REMOVE_sclp.o	+= $(CC_FLAGS_MARCH)
-CFLAGS_sclp.o		+= -march=z900
-CFLAGS_REMOVE_als.o	+= $(CC_FLAGS_MARCH)
-CFLAGS_als.o		+= -march=z900
-AFLAGS_REMOVE_head.o	+= $(CC_FLAGS_MARCH)
-AFLAGS_head.o		+= -march=z900
-endif
-GCOV_PROFILE_early.o := n
-GCOV_PROFILE_sclp.o := n
-GCOV_PROFILE_als.o := n
-UBSAN_SANITIZE_als.o := n
-UBSAN_SANITIZE_early.o := n
-UBSAN_SANITIZE_sclp.o := n
-
 obj-y	:= traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
 obj-y	+= processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
 obj-y	+= debug.o irq.o ipl.o dis.o diag.o sclp.o vdso.o als.o