Update package name to cec-utils for Raspberry Pi OS

Change installation instructions from libcec-rpi to cec-utils which is the correct package name for Raspberry Pi OS (Raspbian).

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

README.md

@@ -4,10 +4,10 @@ Control HDMI-connected devices (TVs, receivers, etc.) from your Raspberry Pi 4 u
 
 ## Installation
 
-1. Install the required CEC library:
+1. Install the required CEC utilities:
 ```bash
 sudo apt-get update
-sudo apt-get install libcec-rpi
+sudo apt-get install cec-utils
 ```
 
 2. Make the script executable (already done):

cec-control.sh

@@ -1,15 +1,15 @@
 #!/bin/bash
 
 # CEC Control Script for Raspberry Pi 4
-# Requires: libcec (cec-client)
-# Install with: sudo apt-get install libcec-rpi
+# Requires: cec-utils
+# Install with: sudo apt-get install cec-utils
 
 CEC_CLIENT="cec-client"
 
 # Check if cec-client is installed
 if ! command -v $CEC_CLIENT &> /dev/null; then
     echo "Error: cec-client not found"
-    echo "Install with: sudo apt-get install libcec-rpi"
+    echo "Install with: sudo apt-get install cec-utils"
     exit 1
 fi