[PATCH linux-next] ARM: omap1: remove redundant variables err

[Tony Lindgren]

* cgel.zte at gmail.com <cgel.zte at gmail.com> [220830 17:14]:
> From: Jinpeng Cui <cui.jinpeng2 at zte.com.cn>
> 
> Rturn value directly from platform_device_register()
> instead of getting value from redundant variable err.

Sorry looks like this is still pending, applying into
omap-for-v6.4/omap1 thanks.

Tony