cmd: qfw: rename qemu_fw_cfg.[c|h] to qfw.[c|h]

Make file names consistent with CONFIG_QFW and CONFIG_CMD_QFW

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

cmd/Kconfig

@@ -593,7 +593,7 @@ config CMD_SOUND
 	     sound init   - set up sound system
 	     sound play   - play a sound
 
-config CMD_QEMU_FW_CFG
+config CMD_QFW
 	bool "qfw"
 	depends on X86
 	select QFW

cmd/Makefile

@@ -105,7 +105,7 @@ endif
 obj-y += pcmcia.o
 obj-$(CONFIG_CMD_PORTIO) += portio.o
 obj-$(CONFIG_CMD_PXE) += pxe.o
-obj-$(CONFIG_CMD_QEMU_FW_CFG) += qfw.o
+obj-$(CONFIG_CMD_QFW) += qfw.o
 obj-$(CONFIG_CMD_READ) += read.o
 obj-$(CONFIG_CMD_REGINFO) += reginfo.o
 obj-$(CONFIG_CMD_REISER) += reiser.o

cmd/qfw.c

@@ -7,7 +7,7 @@
 #include <common.h>
 #include <command.h>
 #include <errno.h>
-#include <qemu_fw_cfg.h>
+#include <qfw.h>
 
 /*
  * This function prepares kernel for zboot. It loads kernel data