spmi: msm: fix register range names

The core and chnl register ranges were swapped on SDM845. Fix it, and
fetch the register ranges by name instead of by index.

Drop the cosmetic "version" variable and clean up the debug logging.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/dts/sdm845.dtsi b/arch/arm/dts/sdm845.dtsi
index a26e9f4..96c9749 100644
--- a/arch/arm/dts/sdm845.dtsi
+++ b/arch/arm/dts/sdm845.dtsi
@@ -63,7 +63,7 @@
 			reg = <0xc440000 0x1100>,
 			      <0xc600000 0x2000000>,
 			      <0xe600000 0x100000>;
-			reg-names = "cnfg", "core", "obsrvr";
+			reg-names = "core", "chnls", "obsrvr";
 			#address-cells = <0x1>;
 			#size-cells = <0x1>;