gallium/swr: Fix compilation TCS/TES compilation issues

Gallvm API changes in TCS/TES, but the compilation worked
for older LLVM APIs. With LLVM 12 update is needed.

Reviewed-by: Krzysztof Raszkowski <krzysztof.raszkowski@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6554>
diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
index 15347aa..4de1ca6 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -551,6 +551,7 @@
                          LLVMValueRef vertex_index,
                          boolean is_aindex_indirect,
                          LLVMValueRef attrib_index,
+                         boolean is_sindex_indirect,
                          LLVMValueRef swizzle_index)
 {
     swr_tcs_llvm_iface *iface = (swr_tcs_llvm_iface*)tcs_iface;
@@ -571,6 +572,7 @@
                           LLVMValueRef vertex_index,
                           boolean is_aindex_indirect,
                           LLVMValueRef attrib_index,
+                          boolean is_sindex_indirect,
                           LLVMValueRef swizzle_index,
                           uint32_t name)
 {
@@ -649,6 +651,7 @@
                              LLVMValueRef vertex_index,
                              boolean is_aindex_indirect,
                              LLVMValueRef attrib_index,
+                             boolean is_sindex_indirect,
                              LLVMValueRef swizzle_index)
 {
     swr_tes_llvm_iface *iface = (swr_tes_llvm_iface*)tes_iface;