arm: omap1: replace printk() with pr_err macro

Use pr_err() macro instead of printk(KERN_ERR "...").

Signed-off-by: Prathu Baronia <quic_pbaronia@quicinc.com>
Message-Id: <20230518103324.881394-1-quic_pbaronia@quicinc.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>