dm: tpm: Drop CONFIG_DM_TPM

Now that all TPM drivers use driver model, we can drop the special driver
model CONFIG option.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Christophe Ricard<christophe-h.ricard@st.com>

drivers/tpm/Kconfig

@@ -4,15 +4,6 @@
 
 menu "TPM support"
 
-config DM_TPM
-	bool "Enable driver model for Trusted Platform Module drivers"
-	depends on DM && TPM
-	help
-          Enable driver model for TPMs. The TIS interface (tis_open(),
-	  tis_sendrecv(), etc.) is then implemented by the TPM uclass. Note
-	  that even with driver model only a single TPM is currently
-	  supported, since the tpm library assumes this.
-
 config TPM_TIS_SANDBOX
 	bool "Enable sandbox TPM driver"
 	depends on SANDBOX
@@ -24,7 +15,7 @@ config TPM_TIS_SANDBOX
 
 config TPM_ATMEL_TWI
 	bool "Enable Atmel TWI TPM device driver"
-	depends on DM_TPM && DM_I2C
+	depends on TPM && DM_I2C
 	help
 	  This driver supports an Atmel TPM device connected on the I2C bus.
 	  The usual tpm operations and the 'tpm' command can be used to talk
@@ -33,7 +24,7 @@ config TPM_ATMEL_TWI
 
 config TPM_TIS_INFINEON
 	bool "Enable support for Infineon SLB9635/45 TPMs on I2C"
-	depends on DM_TPM && DM_I2C
+	depends on TPM && DM_I2C
 	help
 	  This driver supports Infineon TPM devices connected on the I2C bus.
 	  The usual tpm operations and the 'tpm' command can be used to talk
@@ -57,7 +48,7 @@ config TPM_TIS_I2C_BURST_LIMITATION_LEN
 
 config TPM_TIS_LPC
 	bool "Enable support for Infineon SLB9635/45 TPMs on LPC"
-	depends on DM_TPM && X86
+	depends on TPM && X86
 	help
 	  This driver supports Infineon TPM devices connected on the I2C bus.
 	  The usual tpm operations and the 'tpm' command can be used to talk

drivers/tpm/Makefile

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-$(CONFIG_DM_TPM) += tpm-uclass.o
+obj-$(CONFIG_TPM) += tpm-uclass.o
 
 obj-$(CONFIG_TPM_ATMEL_TWI) += tpm_atmel_twi.o
 obj-$(CONFIG_TPM_TIS_INFINEON) += tpm_tis_infineon.o

lib/Kconfig

@@ -56,6 +56,7 @@ source lib/rsa/Kconfig
 
 config TPM
 	bool "Trusted Platform Module (TPM) Support"
+	depends on DM
 	help
 	  This enables support for TPMs which can be used to provide security
 	  features for your board. The TPM can be connected via LPC or I2C