um: switch to use of drivers/Kconfig

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

drivers/char/Kconfig

@@ -298,7 +298,7 @@ if RTC_LIB=n
 config RTC
 	tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)"
 	depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \
-			&& !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN
+			&& !ARM && !SUPERH && !S390 && !AVR32 && !BLACKFIN && !UML
 	---help---
 	  If you say Y here and create a character special file /dev/rtc with
 	  major number 10 and minor number 135 using mknod ("man mknod"), you
@@ -346,7 +346,7 @@ config JS_RTC
 
 config GEN_RTC
 	tristate "Generic /dev/rtc emulation"
-	depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN
+	depends on RTC!=y && !IA64 && !ARM && !M32R && !MIPS && !SPARC && !FRV && !S390 && !SUPERH && !AVR32 && !BLACKFIN && !UML
 	---help---
 	  If you say Y here and create a character special file /dev/rtc with
 	  major number 10 and minor number 135 using mknod ("man mknod"), you
@@ -490,7 +490,7 @@ config SCx200_GPIO
 
 config PC8736x_GPIO
 	tristate "NatSemi PC8736x GPIO Support"
-	depends on X86_32
+	depends on X86_32 && !UML
 	default SCx200_GPIO	# mostly N
 	select NSC_GPIO		# needed for support routines
 	help