mfd: tps6105x: Fix kernel-doc warnings relating to the core struct and tps6105x_mode

mfd: tps6105x: Fix kernel-doc warnings relating to the core struct and tps6105x_mode

Fix spelling of an enum to fix a kernel-doc warning.
Fix kernel-doc of struct tps6105x to prevent kernel-doc warnings.

Warning: include/linux/mfd/tps6105x.h:68 Enum value 'TPS6105X_MODE_TORCH'
 not described in enum 'tps6105x_mode'
Warning: include/linux/mfd/tps6105x.h:68 Excess enum value
 '%TPS61905X_MODE_TORCH' description in 'tps6105x_mode'
Warning: include/linux/mfd/tps6105x.h:93 struct member 'pdata'
 not described in 'tps6105x'
Warning: include/linux/mfd/tps6105x.h:93 struct member 'client'
 not described in 'tps6105x'

Fixes: 798a8eee44da ("mfd: Add a core driver for TI TPS61050/TPS61052 chips v2")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20251125022750.3165569-1-rdunlap@infradead.org
Signed-off-by: Lee Jones <lee@kernel.org>