spmi: pmic-arb: add missing newline in dev_err format strings

spmi: pmic-arb: add missing newline in dev_err format strings

dev_err() format strings should end with '\n'.  Several such
format strings in the spmi-pmic-arb driver are missing it.
Add newlines where needed.

Fixes: 02922ccbb330 ("spmi: pmic-arb: Register controller for bus instead of arbiter")
Signed-off-by: David Collins <quic_collinsd@quicinc.com>
Link: https://lore.kernel.org/r/20240703221248.3640490-1-quic_collinsd@quicinc.com
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240725164636.3362690-4-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>