pinctrl: mt7986: excise kernel-doc warnings

Fix kernel-doc warnings for enum (anonymous): the enum values are not
documented, so don't indicate that the comment contains kernel-doc
notation.

pinctrl-mt7986.c:68: warning: Enum value 'GPIO_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_RT_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_RB_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_LT_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_LB_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_TR_BASE' not described in enum '(anonymous)'
pinctrl-mt7986.c:68: warning: Enum value 'IOCFG_TL_BASE' not described in enum '(anonymous)'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312110210.x3vxq42A-lkp@intel.com/
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc:  <linux-gpio@vger.kernel.org>
Cc: Sean Wang <sean.wang@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc:  <linux-mediatek@lists.infradead.org>
Cc:  <linux-arm-kernel@lists.infradead.org>
Link: https://lore.kernel.org/r/20240111045126.13768-1-rdunlap@infradead.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/mediatek/pinctrl-mt7986.c

@@ -16,7 +16,7 @@
 		PIN_FIELD_CALC(_s_pin, _e_pin, _i_base, _s_addr, _x_addrs, _s_bit,	\
 			_x_bits, 32, 0)
 
-/**
+/*
  * enum - Locking variants of the iocfg bases
  *
  * MT7986 have multiple bases to program pin configuration listed as the below: