usb: ehci: fsl: Fix some compile warnings.

usb: ehci: fsl: Fix some compile warnings.

When enable CONFIG_HAS_FSL_DR_USB, we might encounter below compile
warning, apply this patch can fix it:

drivers/usb/host/ehci-fsl.c:109:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
   ((u32)hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
    ^
drivers/usb/host/ehci-fsl.c:108:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
  hcor = (struct ehci_hcor *)
         ^
drivers/usb/host/ehci-fsl.c:115:8: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
        (u32)hccr, (u32)hcor,
        ^
include/log.h:131:26: note: in definition of macro 'debug_cond'
    printf(pr_fmt(fmt), ##args); \
                          ^~~~
drivers/usb/host/ehci-fsl.c:114:2: note: in expansion of macro 'debug'
  debug("ehci-fsl: init hccr %x and hcor %x hc_length %d\n",
  ^~~~~
drivers/usb/host/ehci-fsl.c:115:19: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
        (u32)hccr, (u32)hcor,
                   ^
include/log.h:131:26: note: in definition of macro 'debug_cond'
    printf(pr_fmt(fmt), ##args); \
                          ^~~~
drivers/usb/host/ehci-fsl.c:114:2: note: in expansion of macro 'debug'
  debug("ehci-fsl: init hccr %x and hcor %x hc_length %d\n",
  ^~~~~

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>