arm: npcm: drop unused Kconfig ERRATA symbol

The code for this errata was not merged. See
https://lore.kernel.org/linux-arm-kernel/CAL_JsqK--G_7nO_UQ6jyomA1Sq6GUKtXVZpBF0dXjYA2iE047w@mail.gmail.com/

Fixes: 7bffa14 ("arm: npcm: add basic support for Nuvoton BMCs")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>

Author: rddunlap

arch/arm/mach-npcm/Kconfig

@@ -30,7 +30,6 @@ config ARCH_NPCM7XX
 	select ARM_ERRATA_764369 if SMP
 	select ARM_ERRATA_720789
 	select ARM_ERRATA_754322
-	select ARM_ERRATA_794072
 	select PL310_ERRATA_588369
 	select PL310_ERRATA_727915
 	select MFD_SYSCON