ACPI spoofing * commands/acpi.c: new file * commands/i386/pc/acpi.c: likewise * commands/efi/acpi.c: likewise * include/grub/acpi.h: likewise * conf/i386-pc.rmk (pkglib_MODULES): added acpi.mod (acpi_mod_SOURCES): new variable (acpi_mod_CFLAGS): likewise (acpi_mod_LDFLAGS): likewise * conf/i386-efi.rmk: likewise * conf/x86_64-efi.rmk: likewise