tpm: rename event log provider files

Rename the current TPM Event Log provider files (ACPI and OF)
for clarity.

Signed-off-by: Thiebaud Weksteen <[e-mail]>
Reviewed-by: Jarkko Sakkinen <[e-mail]>
Reviewed-by: Javier Martinez Canillas <[e-mail]>
Tested-by: Javier Martinez Canillas <[e-mail]>
Tested-by: Jarkko Sakkinen <[e-mail]>
Reviewed-by: Jarkko Sakkinen <[e-mail]>
Signed-off-by: Jarkko Sakkinen <[e-mail]>

drivers/char/tpm/Makefile

···
 tpm-y := tpm-interface.o tpm-dev.o tpm-sysfs.o tpm-chip.o tpm2-cmd.o \
 	 tpm-dev-common.o tpmrm-dev.o tpm1_eventlog.o tpm2_eventlog.o \
          tpm2-space.o
-tpm-$(CONFIG_ACPI) += tpm_ppi.o tpm_acpi.o
-tpm-$(CONFIG_OF) += tpm_of.o
+tpm-$(CONFIG_ACPI) += tpm_ppi.o tpm_eventlog_acpi.o
+tpm-$(CONFIG_OF) += tpm_eventlog_of.o
 obj-$(CONFIG_TCG_TIS_CORE) += tpm_tis_core.o
 obj-$(CONFIG_TCG_TIS) += tpm_tis.o
 obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi.o