Since the BR2_TARGET_UBOOT_SPL_NAME option accepts a space-separated
list of binaries, the same option can be reuses for TPL binaries as
well. This commit updates the string and help text to indicate that
the same option can be used for SPL and TPL.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>