ARM: uniphier: fix cache kernel-doc warnings

Fix kernel-doc warning(s) as reported by lkp:

arch/arm/mm/cache-uniphier.c:72: warning: cannot understand function prototype: 'struct uniphier_cache_data '
cache-uniphier.c:82: warning: Function parameter or member 'way_ctrl_base' not described in 'uniphier_cache_data'

Fixes: e7ecbc0 ("ARM: uniphier: add outer cache support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Olof Johansson <olof@lixom.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: soc@kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Link: lore.kernel.org/r/202309260130.Uvwh8ceE-lkp@intel.com # fixes only one item
Link: https://lore.kernel.org/r/20230926003548.22066-1-rdunlap@infradead.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: rddunlap

arch/arm/mm/cache-uniphier.c

@@ -58,11 +58,13 @@
 		((op & UNIPHIER_SSCOQM_S_MASK) == UNIPHIER_SSCOQM_S_RANGE)
 
 /**
- * uniphier_cache_data - UniPhier outer cache specific data
+ * struct uniphier_cache_data - UniPhier outer cache specific data
  *
  * @ctrl_base: virtual base address of control registers
  * @rev_base: virtual base address of revision registers
  * @op_base: virtual base address of operation registers
+ * @way_ctrl_base: virtual address of the way control registers for this
+ *	SoC revision
  * @way_mask: each bit specifies if the way is present
  * @nsets: number of associativity sets
  * @line_size: line size in bytes