clk: sunxi: Use a single driver for all variants

Now that all of the variants use the same bind/probe functions and ops,
there is no need to have a separate driver for each variant. Since most
SoCs contain two variants (the main CCU and PRCM CCU), this saves a bit
of firmware size and RAM.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
[Andre: add F1C100s support]
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/clk/sunxi/clk_a31.c b/drivers/clk/sunxi/clk_a31.c
index aa113fa..3606589 100644
--- a/drivers/clk/sunxi/clk_a31.c
+++ b/drivers/clk/sunxi/clk_a31.c
@@ -89,25 +89,9 @@
 	[RST_APB2_UART5]	= RESET(0x2d8, BIT(21)),
 };
 
-static const struct ccu_desc a31_ccu_desc = {
+const struct ccu_desc a31_ccu_desc = {
 	.gates = a31_gates,
 	.resets = a31_resets,
 	.num_gates = ARRAY_SIZE(a31_gates),
 	.num_resets = ARRAY_SIZE(a31_resets),
 };
-
-static const struct udevice_id a31_clk_ids[] = {
-	{ .compatible = "allwinner,sun6i-a31-ccu",
-	  .data = (ulong)&a31_ccu_desc },
-	{ }
-};
-
-U_BOOT_DRIVER(clk_sun6i_a31) = {
-	.name		= "sun6i_a31_ccu",
-	.id		= UCLASS_CLK,
-	.of_match	= a31_clk_ids,
-	.priv_auto	= sizeof(struct ccu_priv),
-	.ops		= &sunxi_clk_ops,
-	.probe		= sunxi_clk_probe,
-	.bind		= sunxi_clk_bind,
-};