SWDEV-435702 - the functions in bf16 header need to be static

If the compiler decides not to inline these functions, we might break ODR (one definition rule) due to this file being included in multiple files and being linked together

Change-Id: Iacbfdabb53f5b4e5db8c690b23f3730ec9af16c0

hipamd/include/hip/amd_detail/amd_hip_bf16.h

@@ -94,12 +94,12 @@
 #include "math_fwd.h"              // ocml device functions
 
 #if defined(__HIPCC_RTC__)
-#define __HOST_DEVICE__ __device__
+#define __HOST_DEVICE__ __device__ static
 #else
 #include <algorithm>
 #include <climits>
 #include <cmath>
-#define __HOST_DEVICE__ __host__ __device__ inline
+#define __HOST_DEVICE__ __host__ __device__ static inline
 #endif
 
 #define HIPRT_ONE_BF16 __float2bfloat16(1.0f)