2 arm-linux-gnueabihf-gcc: error: unrecognized -march target: armv3m
   2 arm-linux-gnueabihf-gcc: error: missing argument to ‘-march=’
   2 arch/x86/kernel/smp.o: warning: objtool: fred_sysvec_reboot()+0x4d: unreachable instruction
   2 arch/x86/kernel/smp.o: warning: objtool: fred_sysvec_reboot()+0x48: unreachable instruction
   1 arch/mips/boot/dts/img/boston.dts:128.19-178.5: Warning (pci_device_reg): /pci@14000000/pci2_root@0,0,0: PCI unit address format error, expected "0,0"
   1 WARNING: modpost: vmlinux.o(___ksymtab_gpl+ixp4xx_irq_init+0x0): Section mismatch in reference from the variable __ksymtab_ixp4xx_irq_init to the function .init.text:ixp4xx_irq_init()