Trailing whitespace removal over entire tree

scripts/Makefile.build

@@ -216,7 +216,7 @@ $(real-objs-m)      : modkern_aflags := $(AFLAGS_MODULE)
 $(real-objs-m:.o=.s): modkern_aflags := $(AFLAGS_MODULE)
 
 quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
-cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $< 
+cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $<
 
 %.s: %.S FORCE
 	$(call if_changed_dep,as_s_S)
@@ -284,7 +284,7 @@ link_multi_deps =                     \
 $(filter $(addprefix $(obj)/,         \
 $($(subst $(obj)/,,$(@:.o=-objs)))    \
 $($(subst $(obj)/,,$(@:.o=-y)))), $^)
- 
+
 quiet_cmd_link_multi-y = LD      $@
 cmd_link_multi-y = $(LD) $(ld_flags) -r -o $@ $(link_multi_deps)