[qemu] Earlgrey 1.0.0 spi_device TPM support

[moidx]

Description

Implement SPI TPM functionality as defined in the OpenTitan specification.

[engdoreis]

The PR lowRISC/qemu#249 will make the test //sw/device/tests:spi_device_tpm_tx_rx_test to work with Qemu.

[AlexJones0]

After the above PR and #28542 were merged the spi_device_tpm_tx_rx_test now passes in QEMU.