pcspkr: fix dependancies

fix pcspkr dependancies: make the pcspkr platform
drivers to depend on a platform device, and
not the other way around.

Signed-off-by: Stas Sergeev <stsp@aknet.ru>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
CC: Vojtech Pavlik <vojtech@suse.cz>
CC: Michael Opdenacker <michael-lists@free-electrons.com>
[fixed for 2.6.26-rc1 by tiwai]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/init/Kconfig b/init/Kconfig
index 4c33316..3b5adbf 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -634,6 +634,14 @@
 	help
 	  Enable support for generating core dumps. Disabling saves about 4k.
 
+config PCSPKR_PLATFORM
+	bool "Enable PC-Speaker support" if EMBEDDED
+	depends on ALPHA || X86 || MIPS || PPC_PREP || PPC_CHRP || PPC_PSERIES
+	default y
+	help
+          This option allows to disable the internal PC-Speaker
+          support, saving some memory.
+
 config COMPAT_BRK
 	bool "Disable heap randomization"
 	default y