pxe: Move pxe_utils files

Move the header file into the main include/ directory so we can use it
from the bootmethod code. Move the C file into boot/ since it relates to
booting.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Artem Lapkin <email2tema@gmail.com>
Tested-by: Artem Lapkin <email2tema@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>

boot/Makefile

@@ -14,6 +14,9 @@ obj-$(CONFIG_CMD_BOOTM) += bootm.o bootm_os.o
 obj-$(CONFIG_CMD_BOOTZ) += bootm.o bootm_os.o
 obj-$(CONFIG_CMD_BOOTI) += bootm.o bootm_os.o
 
+obj-$(CONFIG_CMD_PXE) += pxe_utils.o
+obj-$(CONFIG_CMD_SYSBOOT) += pxe_utils.o
+
 endif
 
 obj-y += image.o image-board.o

cmd/Makefile

@@ -123,7 +123,7 @@ obj-$(CONFIG_CMD_PINMUX) += pinmux.o
 obj-$(CONFIG_CMD_PMC) += pmc.o
 obj-$(CONFIG_CMD_PSTORE) += pstore.o
 obj-$(CONFIG_CMD_PWM) += pwm.o
-obj-$(CONFIG_CMD_PXE) += pxe.o pxe_utils.o
+obj-$(CONFIG_CMD_PXE) += pxe.o
 obj-$(CONFIG_CMD_WOL) += wol.o
 obj-$(CONFIG_CMD_QFW) += qfw.o
 obj-$(CONFIG_CMD_READ) += read.o
@@ -145,7 +145,7 @@ obj-$(CONFIG_CMD_SETEXPR_FMT) += printf.o
 obj-$(CONFIG_CMD_SPI) += spi.o
 obj-$(CONFIG_CMD_STRINGS) += strings.o
 obj-$(CONFIG_CMD_SMC) += smccc.o
-obj-$(CONFIG_CMD_SYSBOOT) += sysboot.o pxe_utils.o
+obj-$(CONFIG_CMD_SYSBOOT) += sysboot.o
 obj-$(CONFIG_CMD_STACKPROTECTOR_TEST) += stackprot_test.o
 obj-$(CONFIG_CMD_TERMINAL) += terminal.o
 obj-$(CONFIG_CMD_TIME) += time.o

cmd/sysboot.c

@@ -4,7 +4,7 @@
 #include <command.h>
 #include <env.h>
 #include <fs.h>
-#include "pxe_utils.h"
+#include <pxe_utils.h>
 
 static char *fs_argv[5];