[PARISC] Do not allow STI_CONSOLE to be modular

It doesn't really make much sense, anyways, and would need a pile of
symbols exported.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index 4964396..5db6b1e 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -145,7 +145,7 @@
          oriented.
 
 config STI_CONSOLE
-        tristate "STI text console" 
+        bool "STI text console"
         depends on PARISC
         default y
         help