Updated readme file

README.md

@@ -22,6 +22,8 @@ The most important controls are displayed on screen, here is a list of all:
 * __X__ - Make a screenshot. Works in menu and on console output, after a feature finishes.
 * __X + LEFT/RIGHT__ - Batch screenshot all submenus / entries (only on menu)
 * __SELECT__ - Unmount SD card (only on menu).
+* __HOME__ - Reboot the console.
+* __POWER__ - Poweroff the console.
 * __START (+ LEFT)__ - Reboot (START only) / Poweroff (with LEFT).
 
 Most features require the user to choose a file or a directory. In these cases, use the arrow keys to select and A / B to confirm and cancel.