On EP93XX uncompress.h uses CONFIG_DEBUG_UART_PHYS instead of a hard
coded serial port. This means the build breaks when DEBUG_LL
(and DEBUG_LL_UART_PL01X) is not enabled.
This is fixed by adding a new dependency.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>