Enabled IPC debug features under new config

Introduced a new config flag to enable
userError format strings to be written to the IPC buffer.
Another config bool has been introduced to toggle
printing the error out and this can also be set at runtime.

Signed-off-by: Saer Debel <saer.debel@data61.csiro.au>

config.cmake

@@ -330,6 +330,15 @@ config_option(
     DEPENDS "NOT KernelVerificationBuild"
     DEFAULT_DISABLED OFF
 )
+
+config_option(
+    KernelInvocationReportErrorIPC KERNEL_INVOCATION_REPORT_ERROR_IPC
+    "Allows the kernel to write the userError to the IPC buffer"
+    DEFAULT OFF
+    DEPENDS "KernelPrinting"
+    DEFAULT_DISABLED OFF
+)
+
 config_choice(
     KernelBenchmarks
     KERNEL_BENCHMARK