secure-boot: Update TPM device path

Updates to the device tree necessitate updating this path to check
whether the TPM is supposed to be present.

Change-Id: I20e890213c4a990aab8c74dd17b5f7eb4968d112
Signed-off-by: Eddie James <eajames@linux.ibm.com>
diff --git a/meson.options b/meson.options
index e2fd0f4..66fd2fc 100644
--- a/meson.options
+++ b/meson.options
@@ -95,7 +95,7 @@
 )
 
 option('sysfs-tpm-device-path', type : 'string',
-    value : '/sys/firmware/devicetree/base/ahb/apb/bus@1e78a000/i2c-bus@680/tpm@2e',
+    value : '/sys/firmware/devicetree/base/ahb/apb@1e780000/bus@1e78a000/i2c@680/tpm@2e',
     description : 'The sysfs path to the tpm device.',
 )