usb: host: fotg210-hcd: Demote obvious misuse of kerneldoc to standard comment blocks

Only 2 functions attempted to use kerneldoc in this massive file.

Fixes the following W=1 kernel build warning(s):

 drivers/usb/host/fotg210-hcd.c: In function ‘fotg210_run’:
 drivers/usb/host/fotg210-hcd.c:5013:6: warning: variable ‘hcc_params’ set but not used [-Wunused-but-set-variable]
 drivers/usb/host/fotg210-hcd.c:5569: warning: Function parameter or member 'pdev' not described in 'fotg210_hcd_probe'
 drivers/usb/host/fotg210-hcd.c:5666: warning: Function parameter or member 'pdev' not described in 'fotg210_hcd_remove'
 drivers/usb/host/fotg210-hcd.c:5666: warning: Excess function parameter 'dev' description in 'fotg210_hcd_remove'

Cc: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Cc: Feng-Hsin Chiang <john453@faraday-tech.com>
Cc: Po-Yu Chuang <ratbert.chuang@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200706133341.476881-22-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/fotg210-hcd.c

@@ -5557,7 +5557,7 @@ static void fotg210_init(struct fotg210_hcd *fotg210)
 	iowrite32(value, &fotg210->regs->otgcsr);
 }
 
-/**
+/*
  * fotg210_hcd_probe - initialize faraday FOTG210 HCDs
  *
  * Allocates basic resources for this USB host controller, and
@@ -5656,7 +5656,7 @@ static int fotg210_hcd_probe(struct platform_device *pdev)
 	return retval;
 }
 
-/**
+/*
  * fotg210_hcd_remove - shutdown processing for EHCI HCDs
  * @dev: USB Host Controller being removed
  *