[PATCH v4 07/11] x86, boot: move checking of cmd_line_ptr out of common path

cmdline.c::__cmdline_find_option... are shared between 16-bit setup code and 32/64 bit decompressor code. for 32/64 only path via kexec, we should not check if ptr less 1M. as those cmdline could be put above 1M, or even 4G. Move out accessible checking out of __cmdline_find_option() So

[PATCH v4 07/11] x86, boot: move checking of cmd_line_ptr out of common path

cmdline.c::__cmdline_find_option... are shared between 16-bit setup code and 32/64 bit decompressor code. for 32/64 only path via kexec, we should not check if ptr less 1M. as those cmdline could be put above 1M, or even 4G. Move out accessible checking out of __cmdline_find_option() So