x86/io: Remove the unused 'bw' parameter from the BUILDIO() macro

Commit 1e8f93e18379 ("x86: Consolidate port I/O helpers") moved some
port I/O helpers to <asm/shared/io.h>, which caused the 'bw' parameter
in the BUILDIO() macro to become unused. Remove it.

Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20231123034911.217791-1-ytcoode@gmail.com

arch/x86/include/asm/io.h

diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 7623884..3814a92 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -242,7 +242,7 @@ static inline void slow_down_io(void)
 
 #endif
 
-#define BUILDIO(bwl, bw, type)						\
+#define BUILDIO(bwl, type)						\
 static inline void out##bwl##_p(type value, u16 port)			\
 {									\
 	out##bwl(value, port);						\
@@ -288,9 +288,9 @@ static inline void ins##bwl(u16 port, void *addr, unsigned long count)	\
 	}								\
 }
 
-BUILDIO(b, b, u8)
-BUILDIO(w, w, u16)
-BUILDIO(l,  , u32)
+BUILDIO(b, u8)
+BUILDIO(w, u16)
+BUILDIO(l, u32)
 #undef BUILDIO
 
 #define inb_p inb_p