board/BuR/common: rename "usbupdate" environment to "usbscript"

usbupdate in real does allways load some script from usb-storage and execute
it, on all B&R targets.

So we do following 2 things:
- rename it to what it really does
- move it from boards to common environment

Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>

board/BuR/kwb/board.c

@@ -214,8 +214,8 @@ int board_late_init(void)
 			    gpio_get_value(PUSH_KEY) && 1 == cnt) {
 				lcd_position_cursor(1, 8);
 				lcd_puts(
-				"updating U-BOOT from USB ...           ");
-				setenv("bootcmd", "run usbupdate");
+				"starting u-boot script from USB ...    ");
+				setenv("bootcmd", "run usbscript");
 				cnt = 4;
 				break;
 			} else if ((!gpio_get_value(ESC_KEY) &&

include/configs/bur_am335x_common.h

@@ -13,6 +13,7 @@
 #define __BUR_AM335X_COMMON_H__
 /* ------------------------------------------------------------------------- */
 #define BUR_COMMON_ENV \
+"usbscript=usb start && fatload usb 0 0x80000000 usbscript.img && source\0" \
 "defaultip=192.168.60.253\0" \
 "defaultsip=192.168.60.254\0" \
 "netconsole=echo switching to network console ...; " \

include/configs/kwb.h

@@ -80,10 +80,6 @@ BUR_COMMON_ENV \
 	"run loadromfs; " \
 	"tftp ${loadaddr} arimg && go ${loadaddr}; " \
 	"puts 'networkboot failed!';\0" \
-"usbupdate=echo updating u-boot from usb ...; " \
-	"usb start; " \
-	"fatload usb 0 0x80000000 updateubootusb.img && source; " \
-	"puts 'usbupdate failed!'\0" \
 "netscript=echo running script from network (tftp) ...; " \
 	"tftp 0x80000000 netscript.img && source; " \
 	"puts 'netscript load failed!'\0" \
@@ -101,7 +97,7 @@ BUR_COMMON_ENV \
 #endif /* !CONFIG_SPL_BUILD*/
 
 #define CONFIG_BOOTCOMMAND \
-	"run usbupdate;"
+	"run usbscript;"
 #define CONFIG_BOOTDELAY		0
 
 /* undefine command which we not need here */

include/configs/tseries.h

@@ -140,7 +140,7 @@
 	"run mmcroot1; bootz ${loadaddr} - ${dtbaddr};\0" \
 "defboot=ext4load mmc 0:2 ${loadaddr} /boot/PPTImage.md5 && run mmcboot1; " \
 	"ext4load mmc 0:1 ${dtbaddr} /$dtb && run mmcboot0; " \
-	"run ramboot; run usbupdate;\0" \
+	"run ramboot; run usbscript;\0" \
 "bootlimit=1\0" \
 "altbootcmd=run mmcboot0;\0" \
 "upduboot=dhcp; " \
@@ -185,8 +185,6 @@ BUR_COMMON_ENV \
 	"then; else tftp ${dtbaddr} ${dtb}; fi;" \
 	"run mmcroot0; " \
 	"bootz ${loadaddr} ${ramaddr} ${dtbaddr}; fi;\0" \
-"usbupdate=echo Updating UBOOT from USB-Stick ...; " \
-	"usb start && fatload usb 0 0x80000000 updateubootusb.img && source\0" \
 "netupdate=echo Updating UBOOT from Network (TFTP) ...; " \
 	"setenv autoload 0; " \
 	"dhcp && tftp 0x80000000 updateUBOOT.img && source;\0" \