Update install add maxcpus=1 if not present

install

@@ -65,10 +65,10 @@ if [[ $(grep '11.' /etc/debian_version) ]]; then
 	  
 	  sudo sed -i 's/console=serial0,115200 //g' /boot/cmdline.txt
 	
-#	  sudo sed -i 's/console=tty1 r/console=tty1 maxcpus=1 r/g' /boot/cmdline.txt # single core if Pi Zero 2
-	  sudo sed -i 's/console=tty1 maxcpus=1 r/console=tty1 r/g' /boot/cmdline.txt 
+	  sudo sed -i 's/console=tty1 r/console=tty1 maxcpus=1 r/g' /boot/cmdline.txt # single core if Pi Zero 2
+#	  sudo sed -i 's/console=tty1 maxcpus=1 r/console=tty1 r/g' /boot/cmdline.txt 
 	
-#	  sudo sed -i 's/maxcpus=2/maxcpus=1/g' /boot/cmdline.txt # single core if Pi Zero 2
+	  sudo sed -i 's/maxcpus=2/maxcpus=1/g' /boot/cmdline.txt # single core if Pi Zero 2
 	
 	  sudo sed -i 's/#dtparam=i2c_arm=on/dtparam=i2c_arm=on/g' /boot/config.txt
 	  
@@ -163,11 +163,10 @@ if [[ $(grep 'bookworm' /etc/os-release) ]]; then
 	
 	  sudo sed -i 's/console=serial0,115200 //g' /boot/firmware/cmdline.txt
 	
-#	  sudo sed -i 's/console=tty1 r/console=tty1 maxcpus=1 r/g' /boot/firmware/cmdline.txt # single core if Pi Zero 2
-	  sudo sed -i 's/console=tty1 maxcpus=1 r/console=tty1 r/g' /boot/firmware/cmdline.txt 
+	  sudo sed -i 's/console=tty1 r/console=tty1 maxcpus=1 r/g' /boot/firmware/cmdline.txt # single core if Pi Zero 2
+#	  sudo sed -i 's/console=tty1 maxcpus=1 r/console=tty1 r/g' /boot/firmware/cmdline.txt 
 	
-	
-#	  sudo sed -i 's/maxcpus=2/maxcpus=1/g' /boot/firmware/cmdline.txt # single core if Pi Zero 2
+	  sudo sed -i 's/maxcpus=2/maxcpus=1/g' /boot/firmware/cmdline.txt # single core if Pi Zero 2
 	
 	  sudo sed -i 's/#dtparam=i2c_arm=on/dtparam=i2c_arm=on/g' /boot/firmware/config.txt