Adjust interrupt_overhead values to account for faster interrupt switches.

Author: rumpeltux

components/esp8266/test/test_interrupt_overhead.c

@@ -69,11 +69,11 @@ TEST_CASE("Test interrupt overhead time", "[log]") {
   uint32_t overhead_total = cpu_clk_cnt_stop - cpu_clk_cnt_start;
 
 #if CONFIG_OPTIMIZATION_LEVEL_DEBUG
-#  define INTERRUPT_OVERHEAD_ENTER_TIME 334
-#  define INTERRUPT_OVERHEAD_TOTAL_TIME 459
+#  define INTERRUPT_OVERHEAD_ENTER_TIME 119
+#  define INTERRUPT_OVERHEAD_TOTAL_TIME 189
 #else // CONFIG_OPTIMIZATION_LEVEL_RELEASE
-#  define INTERRUPT_OVERHEAD_ENTER_TIME 258
-#  define INTERRUPT_OVERHEAD_TOTAL_TIME 385
+#  define INTERRUPT_OVERHEAD_ENTER_TIME 120
+#  define INTERRUPT_OVERHEAD_TOTAL_TIME 190
 #endif
 
   if (overhead_enter != INTERRUPT_OVERHEAD_ENTER_TIME ||