Rename Fuloong into Fuloong 2F. Add new ID for Fuloong2E.

* grub-core/Makefile.core.def (fwstart_fuloong): Rename fwstart_fuloong
	into fwstart_fuloong2f. Use boot/mips/loongson/fuloong2f.S.
	* grub-core/boot/mips/loongson/fuloong.S: Rename to ...
	* grub-core/boot/mips/loongson/fuloong2f.S: ... this.
	(FULOONG): Rename to ...
	(FULOONG2F): ... this. All users updated.
	* grub-core/boot/mips/startup_raw.S (machtype_fuloong_str): Rename to
	(machtype_fuloong2f_str): ... this.
	(machtype_fuloong2e_str): New string.
	Check for machtype_fuloong2e_str.
	* grub-core/loader/mips/linux.c (loongson_machtypes)
	[GRUB_MACHINE_MIPS_LOONGSON]: Add GRUB_ARCH_MACHINE_FULOONG2E.
	* grub-core/term/serial.c (loongson_defserial)
	[GRUB_MACHINE_MIPS_LOONGSON]: New array.
	(grub_serial_register) [GRUB_MACHINE_MIPS_LOONGSON]: Use
	loongson_defserial.
	* include/grub/mips/loongson/kernel.h (GRUB_ARCH_MACHINE_FULOONG):
	Rename to ...
	(GRUB_ARCH_MACHINE_FULOONG2F): ... this.
	(GRUB_ARCH_MACHINE_FULOONG2E): New const.
	* util/grub-mkimage.c (image_target_desc): Rename IMAGE_FULOONG_FLASH
	to IMAGE_FULOONG2F_FLASH. All users updated.
	(image_targets): Rename images.
	* util/grub-mkstandalone.in: Accept fuloong2f and fuloong2e.

grub-core/boot/mips/loongson/fuloong2f.S

@@ -0,0 +1,2 @@
+#define FULOONG2F 1
+#include "fwstart.S"