toolchain/arm: Fix link parameter error

Fixed the problem that when using armclang, it cannot add a space after --scatter=

Signed-off-by: wangmingrong1 <[email protected]>

Author: W-M-R

arch/arm/src/Makefile

@@ -135,7 +135,7 @@ else
 endif
 
 ARCHSCRIPT := $(call CONVERT_PATH,$(ARCHSCRIPT))
-LDFLAGS += $(addprefix $(SCRIPT_OPT) ,$(addsuffix .tmp,$(ARCHSCRIPT))) $(EXTRALINKCMDS)
+LDFLAGS += $(addprefix $(SCRIPT_OPT),$(addsuffix .tmp,$(ARCHSCRIPT))) $(EXTRALINKCMDS)
 LIBPATHS += $(LIBPATH_OPT) $(call CONVERT_PATH,$(TOPDIR)$(DELIM)staging)
 
 BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)