Debug component: add free PSRAM sensor (#5334)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

tests/test1.yaml

@@ -1448,6 +1448,15 @@ sensor:
     pressure:
       name: "BMP581 Pressure"
       oversampling: 128x
+  - platform: debug
+    free:
+      name: "Heap Free"
+    block:
+      name: "Heap Max Block"
+    loop_time:
+      name: "Loop Time"
+    psram:
+      name: "PSRAM Free"
 
 esp32_touch:
   setup_mode: false
@@ -3448,7 +3457,6 @@ number:
       still_threshold:
         name: g8 still threshold
 
-
 select:
   - platform: template
     id: test_select

tests/test5.yaml

@@ -28,6 +28,10 @@ ota:
 
 logger:
 
+debug:
+
+psram:
+
 uart:
   - id: uart_1
     tx_pin: 1
@@ -525,6 +529,16 @@ sensor:
     time:
       name: System Time
 
+  - platform: debug
+    free:
+      name: "Heap Free"
+    block:
+      name: "Heap Max Block"
+    loop_time:
+      name: "Loop Time"
+    psram:
+      name: "PSRAM Free"
+
   - platform: vbus
     model: custom
     command: 0x100

tests/test8.yaml

@@ -14,6 +14,10 @@ esphome:
 
 logger:
 
+debug:
+
+psram:
+
 light:
   - platform: neopixelbus
     type: GRB
@@ -50,3 +54,14 @@ binary_sensor:
   - platform: tt21100
     name: Home Button
     index: 1
+
+sensor:
+  - platform: debug
+    free:
+      name: "Heap Free"
+    block:
+      name: "Max Block Free"
+    loop_time:
+      name: "Loop Time"
+    psram:
+      name: "PSRAM Free"