cortexm: Move ldscripts into separate directory

Less clutter inside the cpu/* directories by placing linker scripts
under cpu/*/ldscripts/CPUNAME.ld

boards/Makefile.include.cortexm_common

@@ -16,7 +16,7 @@ export CFLAGS_OPT   ?= -Os
 export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_STYLE) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
 
 export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DEBUG)
-export LINKFLAGS += -L$(RIOTCPU)/$(CPU) -T$(RIOTCPU)/$(CPU)/$(CPU_MODEL)_linkerscript.ld
+export LINKFLAGS += -L$(RIOTCPU)/$(CPU)/ldscripts -T$(RIOTCPU)/$(CPU)/ldscripts/$(CPU_MODEL).ld
 export LINKFLAGS += $(CFLAGS_DEBUG) $(CFLAGS_CPU) $(CFLAGS_STYLE) -static -lgcc -nostartfiles
 
 # use the nano-specs of the NewLib when available

boards/msba2-common/Makefile.include

@@ -15,7 +15,7 @@ export SIZE = $(PREFIX)size
 export OBJCOPY = $(PREFIX)objcopy
 FLASHER = lpc2k_pgm
 TERMPROG ?= $(RIOTBASE)/dist/tools/pyterm/pyterm
-LINKFLAGS += -gdwarf-2 -mcpu=arm7tdmi-s -static -lgcc -nostartfiles -T$(RIOTBASE)/cpu/$(CPU)/linkerscript.x -Wl,--gc-sections
+LINKFLAGS += -gdwarf-2 -mcpu=arm7tdmi-s -static -lgcc -nostartfiles -T$(RIOTBASE)/cpu/$(CPU)/ldscripts/$(CPU).ld -Wl,--gc-sections
 
 # unwanted (CXXUWFLAGS) and extra (CXXEXFLAGS) flags for c++
 export CXXUWFLAGS +=

cpu/atmega2560/Makefile.include

@@ -9,7 +9,7 @@ export USEMODULE += atmega_common
 export ATMEGA_COMMON = $(RIOTCPU)/atmega_common/
 
 # define the linker script to use for this CPU
-#export LINKERSCRIPT = $(RIOTCPU)/$(CPU)/atmega2560_linkerscript.ld
+#export LINKERSCRIPT = $(RIOTCPU)/$(CPU)/ldscripts/atmega2560.ld
 
 # include CPU specific includes
 export INCLUDES += -I$(RIOTCPU)/$(CPU)/include

cpu/cc2538/ldscripts/cc2538nf11.ld

@@ -25,6 +25,6 @@ MEMORY
     ram   (rwx) : ORIGIN = 0x20004000, LENGTH = 16K
 }
 
-INCLUDE cc2538_linkerscript.ld
+INCLUDE cc2538.ld
 
 /* @} */

cpu/cc2538/ldscripts/cc2538nf23.ld

@@ -26,6 +26,6 @@ MEMORY
     ram   (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
-INCLUDE cc2538_linkerscript.ld
+INCLUDE cc2538.ld
 
 /* @} */

cpu/cc2538/ldscripts/cc2538nf53.ld

@@ -26,6 +26,6 @@ MEMORY
     ram   (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
-INCLUDE cc2538_linkerscript.ld
+INCLUDE cc2538.ld
 
 /* @} */

cpu/cc2538/ldscripts/cc2538sf53.ld

@@ -24,6 +24,6 @@ MEMORY
     ram   (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
 }
 
-INCLUDE cc2538_linkerscript.ld
+INCLUDE cc2538.ld
 
 /* @} */

cpu/kw2x/Makefile.include

@@ -23,7 +23,7 @@ include $(KINETIS_COMMON)Makefile.include
 
 export LINKFLAGS += -L$(RIOTCPU)/kinetis_common/ldscripts
 # define the linker script to use for this CPU
-export LINKERSCRIPT = $(RIOTCPU)/$(CPU)/$(CPU_MODEL)_linkerscript.ld
+export LINKERSCRIPT = $(RIOTCPU)/$(CPU)/ldscripts/$(CPU_MODEL).ld
 
 #export the CPU model
 MODEL = $(shell echo $(CPU_MODEL)|tr 'a-z' 'A-Z')