The compatible device tree node that is searched for is imx6q-iomuxc-gpr
but was misspelled imx6q-iomux-gpr in the error handling message.
Signed-off-by: NJean Guyomarc'h <jean.guyomarch@openwide.fr>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>