Removed Prism54 support due to removed prism54-firmware package

The firmware has been removed from portage tree due to license issues.

src/etc/portage/package.unmask

@@ -1,5 +1,2 @@
 # Masked due to reverse dependencies issues
 ~dev-lang/spidermonkey-1.8.7
-
-# Masked due to unclear license
-net-wireless/prism54-firmware

src/etc/portage/sets/firmware

@@ -24,7 +24,6 @@ sys-firmware/iwl6050-ucode
 sys-firmware/atmel-firmware
 sys-firmware/zd1201-firmware
 sys-firmware/zd1211-firmware
-net-wireless/prism54-firmware
 # (in >=linux-firmware-20130114)
 net-wireless/carl9170-firmware
 

src/root/config/linux-3.4.7-hardened.config

@@ -1732,10 +1732,7 @@ CONFIG_HERMES=m
 CONFIG_PCMCIA_HERMES=m
 # CONFIG_PCMCIA_SPECTRUM is not set
 # CONFIG_ORINOCO_USB is not set
-CONFIG_P54_COMMON=m
-CONFIG_P54_USB=m
-CONFIG_P54_PCI=m
-CONFIG_P54_LEDS=y
+# CONFIG_P54_COMMON is not set
 CONFIG_RT2X00=m
 CONFIG_RT2400PCI=m
 CONFIG_RT2500PCI=m