board/BuR/tseries: remove lpj= from environment-variable

since we have now various processor-speeds it isn't useful anymore to
preinitialize kernels-delay loop.

Rather we want the kernel to calibrate it on every boot.
This wastes around 80ms boottime but is compatible to all CPU-speeds.
Signed-off-by: NHannes Schmelzer <oe5hpm@oevsv.at>

include/configs/tseries.h

@@ -162,7 +162,7 @@ BUR_COMMON_ENV \
 "kernel=zImage\0" \
 "ramdisk=rootfs.cpio.uboot\0" \
 "console=ttyO0,115200n8\0" \
-"optargs=consoleblank=0 quiet lpj=1191936 panic=2\0" \
+"optargs=consoleblank=0 quiet panic=2\0" \
 "nfsroot=/tftpboot/tseries/rootfs-small\0" \
 "nfsopts=nolock\0" \
 "ramargs=setenv bootargs ${optargs} console=${console} root=/dev/ram0\0" \