[U-Boot] [PATCH 3/3] tpm: Update README

[Che-Liang Chiou]

Document TPM_TIS_I2C-related config options in README.

Signed-off-by: Che-Liang Chiou <clchiou at chromium.org>
---
 README |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/README b/README
index 434384c..badb834 100644
--- a/README
+++ b/README
@@ -1076,6 +1076,19 @@ The following options need to be configured:
 		CONFIG_TPM
 		Support TPM devices.
 
+		CONFIG_TPM_TIS_I2C
+		Support for i2c bus TPM devices. Only one device
+		per system is supported at this time.
+
+			CONFIG_TPM_TIS_I2C_BUS_NUMBER
+			Define the the i2c bus number for the TPM device
+
+			CONFIG_TPM_TIS_I2C_SLAVE_ADDRESS
+			Define the TPM's address on the i2c bus
+
+			CONFIG_TPM_TIS_I2C_BURST_LIMITATION
+			Define the burst count bytes upper limit
+
 		CONFIG_TPM_TIS_LPC
 		Support for generic parallel port TPM devices. Only one device
 		per system is supported at this time.
-- 
1.7.3.1