ARM: trusted_foundations: fix vendor prefix typos

of_register_trusted_foundations() and the firmware Kconfig used
the wrong vendor prefix for Trusted Logic Mobility.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/firmware/Kconfig b/arch/arm/firmware/Kconfig
index bb00ccf..bb12659 100644
--- a/arch/arm/firmware/Kconfig
+++ b/arch/arm/firmware/Kconfig
@@ -20,7 +20,7 @@
 	  This option allows the kernel to invoke the secure monitor whenever
 	  required on devices using Trusted Foundations. See
 	  arch/arm/include/asm/trusted_foundations.h or the
-	  tl,trusted-foundations device tree binding documentation for details
+	  tlm,trusted-foundations device tree binding documentation for details
 	  on how to use it.
 
 	  Say n if you don't know what this is about.