Update NumSgprs for GCN Trackers test

Signed-off-by: John Lu <[email protected]>

Author: LU-JOHN

llvm/test/CodeGen/AMDGPU/schedule-amdgpu-trackers.ll

@@ -73,8 +73,8 @@ define amdgpu_kernel void @constant_zextload_v64i16_to_v64i32(ptr addrspace(1) %
 }
 
 ; CHECK-LABEL: {{^}}excess_soft_clause_reg_pressure:
-; GFX908:    NumSgprs: 64
-; GFX908-GCNTRACKERS:    NumSgprs: 64
+; GFX908:    NumSgprs: 56
+; GFX908-GCNTRACKERS:    NumSgprs: 56
 ; GFX908:    NumVgprs: 43
 ; GFX908-GCNTRACKERS:    NumVgprs: 39
 ; GFX908:    Occupancy: 5