m68k: nommu: Fix misspellings of "uCdimm"

Arcturus Networks produced the "uCsimm" and "uCdimm" modules.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>

arch/m68k/Kconfig.machine

@@ -192,11 +192,11 @@ config UCSIMM
 	  Support for the Arcturus Networks uCsimm module.
 
 config UCDIMM
-	bool "uDsimm module support"
+	bool "uCdimm module support"
 	depends on !MMU
 	select M68VZ328
 	help
-	  Support for the Arcturus Networks uDsimm module.
+	  Support for the Arcturus Networks uCdimm module.
 
 config DRAGEN2
 	bool "DragenEngine II board support"