usb: atm: ueagle-atm: Demote obvious misuse of kerneldoc to standard comment blocks

No attempt has been made to document any of the functions here.

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

drivers/usb/atm/ueagle-atm.c:578: warning: Function parameter or member 'usb' not described in 'uea_send_modem_cmd'
drivers/usb/atm/ueagle-atm.c:578: warning: Function parameter or member 'addr' not described in 'uea_send_modem_cmd'
drivers/usb/atm/ueagle-atm.c:578: warning: Function parameter or member 'size' not described in 'uea_send_modem_cmd'
drivers/usb/atm/ueagle-atm.c:578: warning: Function parameter or member 'buff' not described in 'uea_send_modem_cmd'
drivers/usb/atm/ueagle-atm.c:679: warning: Function parameter or member 'usb' not described in 'uea_load_firmware'
drivers/usb/atm/ueagle-atm.c:679: warning: Function parameter or member 'ver' not described in 'uea_load_firmware'

Cc: Matthieu CASTET <[e-mail]>
Cc: Stanislaw Gruszka <[e-mail]>
Cc: Damien Bergamini <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/atm/ueagle-atm.c

···
 #define LOAD_INTERNAL     0xA0
 #define F8051_USBCS       0x7f92
 
-/**
+/*
  * uea_send_modem_cmd - Send a command for pre-firmware devices.
  */
 static int uea_send_modem_cmd(struct usb_device *usb,
···
 	uea_leaves(usb);
 }
 
-/**
+/*
  * uea_load_firmware - Load usb firmware for pre-firmware devices.
  */
 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)