alpine: Migrate rc.local bootstrap tasks to finit.conf

Finit now supports pipes and redirects in run/task stanzas.  Hence, we
can reduce rc.local to an example template.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

contrib/alpine/finit.conf

@@ -14,13 +14,16 @@ runlevel 2
 service [S12345] /sbin/klogd -n              -- Kernel log daemon
 service [S12345] /sbin/syslogd -n            -- Syslog daemon
 
+# Misc oneshot bootstrap tasks
+task [S] zcat /etc/keymap/se.bmap.gz | loadkmap                          -- Loading keymap
+
 # Network bringup script, blocks boot like run stanza, use below task instead
 #network /sbin/ifup -a
 
 ### Every line below can be a service/task per file in /etc/finit.d/*.conf ###
 
 # Network bringup not needed if /etc/network/interfaces is used.
-task    [2345] log <svc/sbin/syslogd> /sbin/ifup -a                      -- Networking
+#task    [2345] log <svc/sbin/syslogd> /sbin/ifup -a                      -- Networking
 
 # Depends on syslogd having started. Redirect any output to log.
 service [2345] log <svc/sbin/syslogd> /usr/sbin/acpid -f	         -- ACPI daemon

contrib/alpine/rc.local

@@ -1,2 +1,8 @@
 #!/bin/sh
-zcat /etc/keymap/se.bmap.gz | loadkmap
+# This script is executed once at boot, at the very end,
+# right before starting the TTYs.
+#
+# Each line is run in sequence.
+#
+# NOTE: Remeber to set the executable bit!
+#