uboot-phytec

MAKEALL: Don't try to print size when ./u-boot is deleted

In the case of BUILD_NBUILDS > 1, MAKEALL would try to print the size
immediately after the u-boot binary is deleted by the call to:

make -s clean

Move the size print to before the clean

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>