str730.cfg: fix incorrect mem regions

 - update str73x mem regions to correct values.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

tcl/target/str730.cfg

@@ -46,9 +46,9 @@ $_TARGETNAME configure -event gdb-flash-erase-start {
 	flash protect 0 0 7 off
 }
 
-$_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
+$_TARGETNAME configure -work-area-phys 0xA0000000 -work-area-size 0x4000 -work-area-backup 0
 
 #flash bank <driver> <base> <size> <chip_width> <bus_width>
 set _FLASHNAME $_CHIPNAME.flash
-flash bank $_FLASHNAME str7x 0x20000000 0x00040000 0 0 $_TARGETNAME STR3x
+flash bank $_FLASHNAME str7x 0x80000000 0x00040000 0 0 $_TARGETNAME STR3x