Port ICC specific instructions

Coin implicitly was exporting some variables if ICC was used.

This patch is just a first step to enable ICC in CI. To make
it really working one would need to fix the QtBase code and
enable ICC in qt5 repository.

Change-Id: I2fca19ff10d7390fa013f511f167c0c1c2fba427
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>

coin/module_config.yaml

@@ -119,6 +119,20 @@ windows_specific_instructions:
           property: host.compiler
           equals_value: MSVC2019
 
+icc_specific_instructions: &icc_export_variables
+  type: Group
+  instructions:
+    - type: EnvironmentVariable
+      variableName: LD_LIBRARY_PATH
+      variableValue: "{{.Env.ICC64_18_LDLP}}"
+    - type: PrependToEnvironmentVariable
+      variableName: PATH
+      variableValue: "{{.Env.ICC64_18_PATH}}"
+  enable_if:
+    condition: property
+    property: host.compiler
+    equals_value: ICC_18
+
 build_instructions:
   - type: MakeDirectory
     directory: .git
@@ -126,6 +140,7 @@ build_instructions:
     directory: "{{.SourceDir}}"
   - type: ChangeDirectory
     directory: "{{.BuildDir}}"
+  - *icc_export_variables
   - *export_target_architecture_and_sdk
   - *find_path_to_compiler
   # With MSVC we need setup the environment before every subprocess call.