altera-cyclone-v/contrib/.../hwmgr/*.c: Fix warnings

Some of these were missing prototypes. Usually this could be addressed
by adding static or conditionally compiling unused functions out.

bsps/arm/altera-cyclone-v/contrib/hwlib/src/hwmgr/alt_clock_manager.c

@@ -289,6 +289,9 @@ inline static void alt_clk_mgr_wait(void* reg, uint32_t cnt)
         // how many loops to wait for the SDRAM clock to come around
         // to zero and allow for writing a new divisor ratio to it
 
+#ifdef __rtems__
+static
+#endif /* __rtems__ */
 ALT_STATUS_CODE alt_clk_plls_settle_wait(void)
 {
     int32_t     i = ALT_BYPASS_TIMEOUT_CNT;
@@ -805,6 +808,9 @@ ALT_STATUS_CODE alt_clk_pll_is_bypassed(ALT_CLK_t pll)
 /* alt_clk_pll_source_get() returns the current input of the specified PLL.             */
 /****************************************************************************************/
 
+#ifdef __rtems__
+static
+#endif /* __rtems__ */
 ALT_CLK_t alt_clk_pll_source_get(ALT_CLK_t pll)
 {
     ALT_CLK_t      ret = ALT_CLK_UNKNOWN;
@@ -5131,6 +5137,7 @@ ALT_STATUS_CODE alt_clk_group_cfg_raw_set(const ALT_CLK_GROUP_RAW_CFG_t * clk_gr
 //
 // alt_clk_id_to_string() converts a clock ID to a text string.
 //
+#ifndef __rtems__
 ALT_STATUS_CODE alt_clk_id_to_string(ALT_CLK_t clk_id, char * output, size_t size)
 {
     char * name = NULL;
@@ -5398,11 +5405,15 @@ ALT_STATUS_CODE alt_clk_id_to_string(ALT_CLK_t clk_id, char * output, size_t siz
         return ALT_E_BAD_ARG;
     }
 }
+#endif /* __rtems__ */
 
 
 //
 // alt_clk_pll_cntr_maxfreq_recalc() recalculate the maxmum frequency of the specified clock.
 //
+#ifdef __rtems__
+static
+#endif /* __rtems__ */
 ALT_STATUS_CODE alt_clk_pll_cntr_maxfreq_recalc(ALT_CLK_t clk, ALT_PLL_CNTR_FREQMAX_t * maxfreq)
 {
     ALT_STATUS_CODE ret = ALT_E_BAD_ARG;

bsps/arm/altera-cyclone-v/contrib/hwlib/src/hwmgr/alt_dma.c

@@ -3693,6 +3693,7 @@ ALT_STATUS_CODE alt_dma_periph_to_memory(ALT_DMA_CHANNEL_t channel,
 
 /////
 
+#ifndef __rtems__
 static bool alt_dma_is_init(void)
 {
     uint32_t permodrst = alt_read_word(ALT_RSTMGR_PERMODRST_ADDR);
@@ -3753,3 +3754,4 @@ ALT_STATUS_CODE alt_dma_ecc_start(void * block, size_t size)
 
     return ALT_E_SUCCESS;
 }
+#endif /* __rtems__ */

bsps/arm/altera-cyclone-v/contrib/hwlib/src/hwmgr/alt_i2c.c

@@ -1086,6 +1086,9 @@ ALT_STATUS_CODE alt_i2c_master_transmit(ALT_I2C_DEV_t *i2c_dev,
     return status;
 }
 
+#ifdef __rtems__
+static
+#endif
 ALT_STATUS_CODE alt_i2c_master_receive_helper(ALT_I2C_DEV_t *i2c_dev,
                                               uint8_t * buffer,
                                               size_t size,

bsps/arm/altera-cyclone-v/contrib/hwlib/src/hwmgr/alt_qspi.c

@@ -2415,6 +2415,7 @@ ALT_STATUS_CODE alt_qspi_device_bank_select(uint32_t bank)
 
 /////
 
+#ifndef __rtems__
 static bool alt_qspi_is_enabled(void)
 {
     uint32_t cfg = alt_read_word(ALT_QSPI_CFG_ADDR);
@@ -2623,3 +2624,4 @@ ALT_STATUS_CODE alt_qspi_ecc_start(void * block, size_t size)
 
     return status;
 }
+#endif