Correct the function parameter name in clean_cache_range() to prevent
kernel-doc warnings:

usercopy_64.c:29: warning: Function parameter or member 'addr' not described in 'clean_cache_range'
usercopy_64.c:29: warning: Excess function parameter 'vaddr' description in 'clean_cache_range'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: x86@kernel.org
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
---
v2: add Rev-by: Sohil Mehta
v3: fix duplication (!?) of patch description and patch diff

 arch/x86/lib/usercopy_64.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -- a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -18,7 +18,7 @@
 #ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
 /**
  * clean_cache_range - write back a cache range with CLWB
- * @vaddr:	virtual start address
+ * @addr:	virtual start address
  * @size:	number of bytes to write back
  *
  * Write back a cache range using the CLWB (cache line write back)