fix: update the display of uint8_t type in C++

Author: madhav-madhusoodanan

crates/intrinsic-test/src/arm/config.rs

@@ -9,6 +9,7 @@ std::ostream& operator<<(std::ostream& os, poly128_t value);
 #endif
 
 std::ostream& operator<<(std::ostream& os, float16_t value);
+std::ostream& operator<<(std::ostream& os, uint8_t value);
 
 // T1 is the `To` type, T2 is the `From` type
 template<typename T1, typename T2> T1 cast(T2 x) {
@@ -44,6 +45,11 @@ std::ostream& operator<<(std::ostream& os, float16_t value) {
     os << ss.str();
     return os;
 }
+
+std::ostream& operator<<(std::ostream& os, uint8_t value) {
+    os << (unsigned int) value;
+    return os;
+}
 "#;
 
 // Format f16 values (and vectors containing them) in a way that is consistent with C.