[SYCL] Make SYCL math functions overloads instead of templates (#9753)

It was decided to change all built-in functions from templates to
overloads. This patch changes non-marray part of "4.17.5. Math
functions".

Spec: KhronosGroup/SYCL-Docs#428

---------

Co-authored-by: Steffen Larsen <steffen.larsen@intel.com>

Author: 2 people

llvm/lib/SYCLLowerIR/ESIMD/ESIMDVerifier.cpp

@@ -53,10 +53,10 @@ static const char *LegalSYCLFunctions[] = {
     "^sycl::_V1::sub_group<.+>::.+",
     "^sycl::_V1::range<.+>::.+",
     "^sycl::_V1::kernel_handler::.+",
-    "^sycl::_V1::cos<.+>",
-    "^sycl::_V1::sin<.+>",
-    "^sycl::_V1::log<.+>",
-    "^sycl::_V1::exp<.+>",
+    "^sycl::_V1::cos",
+    "^sycl::_V1::sin",
+    "^sycl::_V1::log",
+    "^sycl::_V1::exp",
     "^sycl::_V1::bit_cast<.+>",
     "^sycl::_V1::operator.+<.+>",
     "^sycl::_V1::ext::oneapi::sub_group::.+",