serial: amba-pl010: Use devres APIs
serial: amba-pl010: Use devres APIs

Migrating to use devres managed APIs devm_kzalloc, devm_ioremap and
devm_clk_get.

Signed-off-by: Tushar Behera <db650b2bc409f7643cb2d49bb8c5369f46648a3a@samsung.com>
Reviewed-by: Daniel Thompson <4421c302a8f2019ff02452a16ddbdd37770f814c@linaro.org>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs