ARM: remove duplicated code for LaCie boards

This patch groups together all the common functions for LaCie boards:
Ethernet PHY and MAC address initializations.

Moreover the configurations for LaCie Kirkwood boards are merged into
a single file: include/configs/lacie_kw.h

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
diff --git a/boards.cfg b/boards.cfg
index d16789b..9869dd6 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -140,10 +140,10 @@
 km_kirkwood_pci              arm         arm926ejs   km_arm              keymile        kirkwood	km_kirkwood:KM_RECONFIG_XLX
 mgcoge3un                    arm         arm926ejs   km_arm              keymile        kirkwood
 portl2                       arm         arm926ejs   km_arm              keymile        kirkwood
-inetspace_v2                 arm         arm926ejs   netspace_v2         LaCie          kirkwood    netspace_v2:INETSPACE_V2
-net2big_v2                   arm         arm926ejs   net2big_v2          LaCie          kirkwood
-netspace_v2                  arm         arm926ejs   netspace_v2         LaCie          kirkwood    netspace_v2:NETSPACE_V2
-netspace_max_v2              arm         arm926ejs   netspace_v2         LaCie          kirkwood    netspace_v2:NETSPACE_MAX_V2
+inetspace_v2                 arm         arm926ejs   netspace_v2         LaCie          kirkwood	lacie_kw:INETSPACE_V2
+net2big_v2                   arm         arm926ejs   net2big_v2          LaCie          kirkwood	lacie_kw:NET2BIG_V2
+netspace_v2                  arm         arm926ejs   netspace_v2         LaCie          kirkwood	lacie_kw:NETSPACE_V2
+netspace_max_v2              arm         arm926ejs   netspace_v2         LaCie          kirkwood	lacie_kw:NETSPACE_MAX_V2
 dreamplug                    arm         arm926ejs   -                   Marvell        kirkwood
 guruplug                     arm         arm926ejs   -                   Marvell        kirkwood
 mv88f6281gtw_ge              arm         arm926ejs   -                   Marvell        kirkwood