km/scripts: fix run ramfs and COGE5 tftppath problem

The tftppath was not set in case of run ramfs. It worked only by chance
if was already set before.

Also check the boardname before setting the tftppath for COGE5.

Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
CC: Tom Rini <trini@konsulko.com>
diff --git a/board/keymile/scripts/ramfs-common.txt b/board/keymile/scripts/ramfs-common.txt
index d79ad2e..61357e2 100644
--- a/board/keymile/scripts/ramfs-common.txt
+++ b/board/keymile/scripts/ramfs-common.txt
@@ -4,10 +4,11 @@
 bootcmd=run ${subbootcmds}
 subbootcmds=tftpfdt tftpkernel setrootfsaddr tftpramfs flashargs add_default addpanic addramfs boot
 nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath}
-configure=run set_uimage; km_setboardid && saveenv && reset
+configure=run set_uimage; run set_tftppath; km_setboardid && saveenv && reset
 rootfsfile=${hostname}/rootfsImage
 setrootfsaddr=setexpr value ${pnvramaddr} - ${rootfssize} && setenv rootfsaddr 0x${value}
-tftpfdt=if run set_fdthigh || test ${arch} != arm; then tftpboot ${fdt_addr_r} ${hostname}/${hostname}.dtb; else true; fi
-tftpkernel=tftpboot ${load_addr_r} ${hostname}/${uimage}
-tftpramfs=tftpboot ${rootfsaddr} ${hostname}/rootfsImage
+tftpfdt=if run set_fdthigh || test ${arch} != arm; then if tftpboot ${fdt_addr_r} ${tftppath}/fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb; then; else tftpboot ${fdt_addr_r} ${tftppath}/${hostname}.dtb; fi; else true; fi
+tftpkernel=tftpboot ${load_addr_r} ${tftppath}/${uimage}
+tftpramfs=tftpboot ${rootfsaddr} ${tftppath}/rootfsImage
 set_uimage=printenv uimage || setenv uimage uImage
+set_tftppath=if test ${hostname} = kmcoge5un; then setenv tftppath CI5UN; else if test ${hostname} = kmcoge5ne; then setenv tftppath CI5NE; else setenv tftppath ${IVM_Symbol}; fi; fi