Correcting the CPLD mailbox register address

There are some changes in CPLD HAS document and
CPLD mailbox register addresses are changed. So
corrected it as per new documentation.

Tested:
Cross validated addresses with specification and
loaded new CPLD firmware and checked versions info.

Change-Id: Ib05c03052dca3986c137103067ac42add8c62d46
Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com>
diff --git a/libpfr/src/pfr.cpp b/libpfr/src/pfr.cpp
index 2e87fa9..c30ef5b 100644
--- a/libpfr/src/pfr.cpp
+++ b/libpfr/src/pfr.cpp
@@ -42,12 +42,12 @@
 static constexpr uint8_t minorErrorCode = 0x09;
 static constexpr uint8_t provisioningStatus = 0x0A;
 static constexpr uint8_t bmcBootCheckpoint = 0x0F;
-static constexpr uint8_t pchActiveMajorVersion = 0x17;
-static constexpr uint8_t pchActiveMinorVersion = 0x18;
-static constexpr uint8_t bmcActiveMajorVersion = 0x19;
-static constexpr uint8_t bmcActiveMinorVersion = 0x1A;
-static constexpr uint8_t pchRecoveryMajorVersion = 0x1C;
-static constexpr uint8_t pchRecoveryMinorVersion = 0x1D;
+static constexpr uint8_t pchActiveMajorVersion = 0x15;
+static constexpr uint8_t pchActiveMinorVersion = 0x16;
+static constexpr uint8_t bmcActiveMajorVersion = 0x18;
+static constexpr uint8_t bmcActiveMinorVersion = 0x19;
+static constexpr uint8_t pchRecoveryMajorVersion = 0x1B;
+static constexpr uint8_t pchRecoveryMinorVersion = 0x1C;
 static constexpr uint8_t bmcRecoveryMajorVersion = 0x1E;
 static constexpr uint8_t bmcRecoveryMinorVersion = 0x1F;