AArch64: Update libm-test-ulps

Add sinpi/cospi.

sysdeps/aarch64/libm-test-ulps

@@ -752,6 +752,26 @@ double: 2
 float: 2
 ldouble: 3
 
+Function: "cospi":
+double: 1
+float: 1
+ldouble: 1
+
+Function: "cospi_downward":
+double: 1
+float: 1
+ldouble: 2
+
+Function: "cospi_towardzero":
+double: 1
+float: 1
+ldouble: 2
+
+Function: "cospi_upward":
+double: 1
+float: 1
+ldouble: 1
+
 Function: Real part of "cpow":
 double: 2
 float: 5
@@ -1560,6 +1580,26 @@ double: 3
 float: 3
 ldouble: 4
 
+Function: "sinpi":
+double: 1
+float: 1
+ldouble: 1
+
+Function: "sinpi_downward":
+double: 2
+float: 2
+ldouble: 2
+
+Function: "sinpi_towardzero":
+double: 2
+float: 1
+ldouble: 1
+
+Function: "sinpi_upward":
+double: 2
+float: 2
+ldouble: 2
+
 Function: "tan":
 ldouble: 1