stdlib.h: include missed types.h

We use 'u32' type in stdlib.h so we have to include types.h.

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
ARM: phycard-imx6: fixup for barebox_arm_entry signature change

This board wasn't changed properly, as it was merged in the short
timeframe where the signature change waited to be applied. Change
it now to get rid of the compiler warning.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>