Reduce number of temporary files generated by build system.

	Reduce number of temporary files generated by build system.

	* grub-core/gencmdlist.sh: Removed.
	* grub-core/genfslist.sh: Removed.
	* grub-core/genhandlerlist.sh: Removed.
	* grub-core/genmodsrc.sh: Removed.
	* grub-core/genpartmaplist.sh: Removed.
	* grub-core/genparttoollist.sh: Removed.
	* grub-core/gentermiinallist.sh: Removed.
	* grub-core/genvideolist.sh: Removed.

	* grub-core/genmod.sh.in: New file.
	* grub-core/gensyminfo.sh.in: New file.

	* conf/Makefile.common (CPPFLAGS_*_LIST): New marker flags.
	* conf/Makefile.extra-dist: Update with new files.
	* gentpl.py: Remove rules related to unnecessary temporary files.
	* grub-core/Makefile.am (syminfo.lst): New replacement for def-*
	and und-* files.
	* grub-core/Makefile.core.def: New rules for gensyminfo.sh and
	genmod.sh scripts.
	* grub-core/bus/usb/uhci.c: Remove empty #define.
	* grub-core/genmoddep.awk: Updated with new syminfo format.
	* util/bash-completion.d/Makefile.am: Add config.log to
	CLEANFILES.