char: move RANDOM_TRUST_CPU & RANDOM_TRUST_BOOTLOADER into the Character devices menu

Include RANDOM_TRUST_CPU and RANDOM_TRUST_BOOTLOADER inside the
"Character devices" menu so that they are listed (presented)
with other Character devices.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210816000531.17934-1-rdunlap@infradead.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/Kconfig

@@ -427,8 +427,6 @@ config ADI
 	  and SSM (Silicon Secured Memory).  Intended consumers of this
 	  driver include crash and makedumpfile.
 
-endmenu
-
 config RANDOM_TRUST_CPU
 	bool "Trust the CPU manufacturer to initialize Linux's CRNG"
 	depends on ARCH_RANDOM
@@ -452,3 +450,5 @@ config RANDOM_TRUST_BOOTLOADER
 	booloader is trustworthy so it will be added to the kernel's entropy
 	pool. Otherwise, say N here so it will be regarded as device input that
 	only mixes the entropy pool.
+
+endmenu