PCI: rockchip-host: Remove unused header includes

Clean up the driver by removing unnecessary header includes that are no
longer referenced after the recent refactoring.

Signed-off-by: Hans Zhang <[email protected]>
[mani: commit message rewording]
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Shawn Lin <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: Hans Zhang

drivers/pci/controller/pcie-rockchip-host.c

@@ -12,26 +12,17 @@
  */
 
 #include <linux/bitrev.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
 #include <linux/gpio/consumer.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/iopoll.h>
 #include <linux/irq.h>
 #include <linux/irqchip/chained_irq.h>
 #include <linux/irqdomain.h>
-#include <linux/kernel.h>
-#include <linux/mfd/syscon.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_pci.h>
-#include <linux/pci.h>
-#include <linux/pci_ids.h>
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
-#include <linux/reset.h>
-#include <linux/regmap.h>
 
 #include "../pci.h"
 #include "pcie-rockchip.h"