Add acpi-base-support to test vm and correct README

Makefile

 		--customize-hook="mkdir -p \$$1/etc/network; echo \"auto enp0s2\niface enp0s2 inet dhcp\" > \$$1/etc/network/interfaces" \
 		--include="udev" \
 		--include="iputils-ping iproute2 ifupdown isc-dhcp-client" \
-		--include="ssh qemu-guest-agent tzdata initscripts ntpdate ca-certificates console-setup console-common console-data locales acpid vim screen bash-completion rsyslog" \
+		--include="ssh qemu-guest-agent tzdata initscripts ntpdate ca-certificates console-setup console-common console-data locales acpid acpi-support-base vim screen bash-completion rsyslog" \
 		|| { rm "$@"; false;}
 
 $(DEBVM_SWAPFILE):

README

 
 * Automatic method (debian based) :
 
-Run `make upgrade`
+Run `make upgrade_src`
 Will fetch the last kernel source in /usr/src
 
 * Manual method :