bdk: minerva: add IRB support

Aka no table support.

bdk/mem/sdram.c

@@ -182,41 +182,6 @@ emc_mr_data_t sdram_read_mrx(emc_mr_t mrx)
 	return data;
 }
 
-void sdram_src_pllc(bool enable)
-{
-	static bool enabled = false;
-
-	if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210 || enable == enabled)
-		return;
-
-	enabled = enable;
-
-	// Clear CC interrupt.
-	EMC(EMC_INTSTATUS) = BIT(4);
-	(void)EMC(EMC_INTSTATUS);
-
-	u32 clk_src_emc = _dram_cfg_08_10_12_14_samsung_hynix_4gb.emc_clock_source;
-
-	if (enable)
-	{
-		// Check if clock source is not the expected one.
-		if (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) != clk_src_emc)
-			return;
-
-		// Set source as PLLC_OUT0.
-		CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = 0x20188002;
-	}
-	else
-	{
-		// Restore MC/EMC clock.
-		CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = clk_src_emc;
-	}
-
-	// Wait for CC interrupt.
-	while (!(EMC(EMC_INTSTATUS) & BIT(4)))
-		usleep(1);
-}
-
 static void _sdram_config_t210(const sdram_params_t210_t *params)
 {
 	// VDDP Select.