ARM: meson: Add regmap support for clock driver

This patch modifies the meson clock driver to use syscon/regmap like
the Linux kernel does, as it is needed if we want to share the same
DTS files.

DTS files are synchronized from Linux 4.19.

Signed-off-by: Loic Devulder <ldevulder@suse.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/arch/arm/dts/meson-gxl-mali.dtsi b/arch/arm/dts/meson-gxl-mali.dtsi
index eb32766..6aaafff 100644
--- a/arch/arm/dts/meson-gxl-mali.dtsi
+++ b/arch/arm/dts/meson-gxl-mali.dtsi
@@ -6,7 +6,7 @@
 
 &apb {
 	mali: gpu@c0000 {
-		compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
+		compatible = "amlogic,meson-gxl-mali", "arm,mali-450";
 		reg = <0x0 0xc0000 0x0 0x40000>;
 		interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,