drivers: base: Kconfig: fix spelling mistake "heterogenous" -> "heterogeneous"

There is a spelling mistake in the Kconfig help text. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201215145440.204362-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/Kconfig

@@ -161,7 +161,7 @@ config HMEM_REPORTING
 	default n
 	depends on NUMA
 	help
-	  Enable reporting for heterogenous memory access attributes under
+	  Enable reporting for heterogeneous memory access attributes under
 	  their non-uniform memory nodes.
 
 source "drivers/base/test/Kconfig"